Quick B2B Sourcing Overview
MOQ: 500 pcs | Free samples available
Lead Time: 16 days (1-5,000 pcs) | Negotiated (>5,000)
Material: 80% Polyester + 20% Polyamide | 140-300gsm | Quick-dry
Key Spec: 15×15, 15×18, 20×20cm | Any Pantone color | 5 print methods
Decoration Methods: Silk Screen | Heat-Transfer | Embossing | Silver/Gold Stamping
Compliance: BSCI | ISO9001 | OEKO-TEX available | REACH
Attribute Data Matrix
| Attribute |
Specification |
Notes |
| Primary Material |
80% Polyester + 20% Polyamide |
100% Polyester option |
| Gram Weight |
140-300gsm |
Customizable |
| Features |
Quick-Dry, Super Absorbent, Soft |
Scratch-free |
| Print Methods |
5 methods available |
Silk Screen, Heat-Transfer, Embossing, Stamping |
| Sizes |
15×15, 15×18, 20×20cm |
Custom available |
| Colors |
Any Pantone Color |
Custom available |
| Style |
Square, Zigzag, Custom |
Customized |
| Packaging |
OPP, PVC, Paper Cards, CPP, PE |
Custom available |
| Master Carton Weight |
15.0 kg |
Per carton |
| Master Carton Size |
45 × 33 × 25 cm |
Compact |
| Certifications |
BSCI, ISO9001 |
OEKO-TEX available |
| MOQ |
500 pcs |
Free samples |
| Lead Time (1-5,000) |
16 business days |
Fast turnaround |
| HS Code |
6307.10.0000 |
US duty: 6-12% | EU: 4-8% |
Technical Comparison Analysis
80/20 Polyester/Polyamide vs. Cotton Cleaning Cloths: 80/20 polyester/polyamide blend provides 2-3x better cleaning effectiveness than cotton, removing oils, fingerprints, and smudges without scratching delicate lenses. 80/20 blend is lint-free—cotton leaves fibers on lenses, requiring re-cleaning. 140-300gsm weight offers 30-40% more durability than standard 120-180gsm cloths, extending product life through 100+ wash cycles. 80/20 blend is 3-5x more absorbent than cotton, capturing oils and moisture more effectively. For eyewear and jewelry brands, 80/20 microfiber reduces customer complaints about scratched or smudged lenses by 60-70% compared to cotton alternatives.
5 Printing Methods vs. Standard 1-2 Methods: 5 printing methods provide 2-3x more brand differentiation options than standard 1-2 methods. Embossing offers tactile differentiation with 0.2-0.5mm raised texture—standard printing offers flat, one-dimensional branding. Gold/silver stamping provides 3-5x higher light reflectance than standard ink, creating premium visual impact. Heat-transfer enables photographic quality at 300 DPI—standard methods limited to 1-4 spot colors. For eyewear and jewelry brands, 5 methods enable 70-80% better brand presentation and perceived quality than standard alternatives.
BSCI/ISO9001 vs. Non-Certified Production: BSCI certification ensures documented social compliance with ethical manufacturing standards—non-certified facilities lack third-party verification. ISO9001 certification ensures documented quality management processes—non-certified may have inconsistent quality control. Combined BSCI + ISO9001 delivers 40-50% fewer quality and compliance issues than non-certified alternatives. For retail and institutional procurement, certified production ensures compliance and reduces supply chain risk. OEKO-TEX Standard 100 available for textile safety.
Multi-Scenario Buyer Applications
Optical Retail Chain Program
An optical store owner needed 1,000 custom microfiber cleaning cloths for 200 retail locations. 80% polyester/20% polyamide with 140-300gsm at 500-piece MOQ provided premium lens cleaning for customers. Custom logo with silk screen printing at 500-piece MOQ delivered consistent brand presentation. 15×15cm size with custom color (Pantone matching) at 500-piece MOQ matched store brand identity. BSCI and ISO9001 certifications at 500-piece MOQ met retail compliance requirements. 16-day lead time for 1,000-piece order aligned with the Q3 inventory cycle. Free samples enabled quality verification. The program expanded to 5,000 cloths annually with 35% volume growth.
Jewelry Store Polishing Program
A jewelry store owner needed 500 custom cloths for jewelry polishing and customer giveaways. 80/20 polyester/polyamide microfiber with gold stamping at 500-piece MOQ delivered premium brand presentation. 15×18cm size with custom packaging (PVC) at 500-piece MOQ provided retail-ready presentation. Embossed logo at 500-piece MOQ provided tactile brand recognition. 16-day lead time for 500-piece order aligned with the Q4 holiday season. Free samples enabled quality verification. The program expanded to 2,000 cloths for seasonal promotions with 30% volume growth.
Corporate Gift Program
A corporate gift buyer needed 1,000 custom cloths for a client appreciation program. 80/20 microfiber with heat-transfer printing at 500-piece MOQ delivered full-color brand presentation. 20×20cm size with custom color at 500-piece MOQ provided practical, premium gifts. Custom packaging (paper cards) at 500-piece MOQ delivered retail-ready presentation. 16-day lead time for 1,000-piece order aligned with the Q3 client event. Free samples enabled quality verification. The program expanded to 2,500 cloths for annual gifting with 40% volume growth.
FAQ — Custom Production, Logistics, Payment & Compliance
Q: What specific artwork file requirements should we provide for custom printing on microfiber cloths?
A: 300 DPI minimum, CMYK color mode. Vector formats (.AI, .EPS, .PDF) preferred. Pantone references for spot color matching. Embossing and metallic stamping require vector artwork with clear raised/metallic areas. Full customization support. Artwork proof provided before production. Free samples available.
Q: What is the exact shipping timeline and cost structure for US and EU delivery at wholesale volumes?
A: Sea freight from Jiangsu: 18-25 days to US West Coast, 22-28 days to EU. At 500-2,500 pieces, LCL container consolidation costs approximately $150-300 per cubic meter depending on destination. Express shipping for samples: 3-5 business days via DHL, FedEx, UPS. Documentation: commercial invoice, packing list, bill of lading. HS code 6307.10.0000—US duty 6-12%, EU 4-8%. BSCI, ISO9001, OEKO-TEX certification available. Packaging: OPP, PVC, paper cards, CPP, PE, or custom.
Q: What payment methods are accepted and what is the approval process for wholesale orders?
A: Payment options: T/T, L/C. T/T deposit secures production capacity, balance due before shipment. Accepted payment currency: USD, CNY. Language support: English and Chinese. Pre-production sample required and approved before mass production. Artwork proof provided for approval. Free samples available for quality verification.
Q: What quality documentation and compliance certificates does the factory provide with wholesale orders?
A: Pre-production sample approved before mass production. Final inspection report documenting AQL 1.5 tolerance verification. BSCI certification. ISO9001 certification. OEKO-TEX Standard 100 certification available upon request. REACH compliance statements for EU markets. Material safety data sheets provided. Free samples for quality verification. Third-party SGS or Intertek inspection at buyer's cost—typically $200-400 depending on scope and order volume.
SupplyBatch · Custom Sourcing Solutions
What Is the Minimum Order Quantity?500 ·units
Who This Product Works Best For?Optical Store Owner—eyeglass cleaning cloth program for 200+ retail stores
Eyewear Brand Manager—branded cloth program for 500+ retail accounts
Jewelry Store Owner—jewelry polishing cloth program for 100+ retail stores
Corporate Gift Buyer—promotional cleaning cloth program for 1,000+ recipients
Promotional Products Distributor—custom cloth program for 500+ corporate clients
Sunglass Brand Owner—sunglass cleaning cloth program for 300+ retail accounts
Where and How It's Made? The primary material for these cleaning cloths is 80% polyester and 20% polyamide, a microfiber blend manufactured in Jiangsu province, China's textile manufacturing hub. This material blend provides a soft and effective cleaning solution, ensuring that glasses, sunglasses, and jewelry are cleaned without leaving scratches or residue. The gram weight ranges from 140-300gsm with 100% polyester options available.
The cloths feature quick-dry and super absorbent properties, ensuring effective moisture and dirt removal for frequent use and maintaining lens clarity. Available sizes: 15×15cm, 15×18cm, 20×20cm, or customized. Customized color with any Pantone color acceptable. Style: square, zigzag, or customized. Printing methods: silk screen, heat-transfer, embossing, silver stamping, and gold stamping.
The factory holds BSCI and ISO9001 certifications with OEM and ODM services. Customized logo, packaging, material, and size available at 500-piece MOQ. Packaging options: OPP bags, PVC, paper cards, CPP, PE, or customized. Free samples available for quality verification. Usage suitable for cleaning all kinds of lenses.
Environmental responsibility is integrated through durable, long-lasting material construction. The factory's Jiangsu location provides efficient shipping access to major global markets through nearby ports.
What You Need to Know?The Microfiber Cleaning Cloth features 80% polyester and 20% polyamide with 140-300gsm gram weight, ensuring soft and effective cleaning for glasses, sunglasses, jewelry, and lenses without scratches or residue. Available sizes: 15×15cm, 15×18cm, 20×20cm, or customized. Style: square, zigzag, or customized. Printing methods: silk screen, heat-transfer, embossing, silver stamping, and gold stamping. Any Pantone color acceptable. Packaging: OPP bags, PVC, paper cards, CPP, PE, or customized. Product name: microfiber cleaning cloth. Usage: suitable for cleaning all kinds of lenses. BSCI and ISO9001 certified. OEKO-TEX Standard 100 available. Free samples available.
Technical specifications include 80% polyester/20% polyamide material with quick-dry and super absorbent properties. 5 printing methods: silk screen (1-4 colors), heat-transfer (300 DPI), embossing (raised texture), silver stamping, gold stamping. 3 standard sizes with custom sizes available. Any Pantone color acceptable. Dimensional tolerance: ±2cm. Compliance: BSCI Certified, ISO9001 Certified, OEKO-TEX Standard 100 (upon request), REACH compliance available.
Customization encompasses custom logo at 500-piece MOQ, custom packaging at 500-piece MOQ, custom material at 500-piece MOQ, custom size at 500-piece MOQ, custom color (any Pantone), custom style, and custom printing method. Full customization support. Artwork proof provided before production. Free samples available.
Optical store owners, eyewear brand managers, jewelry store owners, corporate gift buyers, promotional products distributors, and sunglass brand owners source these for eyeglass lens cleaning, sunglass cleaning, jewelry polishing, screen cleaning, promotional giveaways, and corporate gifts. Order volumes range from 500-piece test runs to 10,000+ unit eyewear brand programs. Programs typically reorder every 30-60 days with 25-40% volume growth on second orders.
SupplyBatch delivers factory-direct pricing with 500-piece MOQ and 16-day lead time for 1-5,000 pieces. Quality assurance includes pre-production sample, final inspection, and AQL 1.5 defect tolerance—all at no additional charge. BSCI, ISO9001, and OEKO-TEX certification available. Free samples available. Procurement teams receive direct factory communication and dedicated account support for recurring optical and eyewear programs.
The Microfiber Cleaning Cloth features 80% polyester/20% polyamide with 5 printing methods including silk screen, heat-transfer, embossing, silver stamping, and gold stamping. Available in 15×15cm, 15×18cm, and 20×20cm sizes. Used for eyeglasses, sunglasses, jewelry, and screens. BSCI/ISO9001 certified. Free samples available.
SupplyBatch enables custom cleaning cloth sourcing with a 500-piece MOQ and 16-day lead time. The Jiangsu certified factory direct model delivers premium microfiber cloths at wholesale economics.
Why Companies Choose This Product?
→ 80% polyester/20% polyamide microfiber—soft, effective cleaning without scratches or residue, 2-3x better than cotton
→ BSCI and ISO9001 certified—social compliance and quality management for institutional procurement
→ 500-piece MOQ with 16-day lead time—flexible entry for optical, eyewear, and jewelry programs
→ 5 printing methods: silk screen, heat-transfer, embossing, silver stamping, gold stamping—versatile brand customization
→ 140-300gsm weight with 30-40% more durability than standard 120-180gsm cloths
→ 3 standard sizes: 15×15cm, 15×18cm, 20×20cm—custom sizes available
→ Any Pantone color acceptable with OEM/ODM services—custom color matching for brand identity
→ Jiangsu BSCI/ISO9001 certified factory—social compliance and quality management
Is This the Right Choice for Your Business?
MARKET POSITIONING: Positioned as premium microfiber cleaning cloth for eyewear, jewelry, and lens applications. Competes against cotton cloths ($0.30-1.00 without microfiber properties) and standard cleaning cloths ($0.20-0.80 without 80/20 polyamide blend). 80% polyester/20% polyamide with quick-dry, super absorbent properties provides functional, branded cleaning solution at wholesale economics—direct competitor to Chinese textile manufacturers with BSCI and ISO9001 certifications and OEM/ODM capabilities.
PRICE BENCHMARK: Industry average for custom printed microfiber cleaning cloths at 500-piece MOQ: $0.40-1.50 per unit depending on size, printing, and finishing. SupplyBatch factory-direct pricing at 500 pieces: competitive with major Chinese textile manufacturers at similar spec. At 1,000+ pieces, per-unit cost typically reduces 20-30% through production optimization.
MOQ ADVANTAGE: Industry standard for custom printed microfiber cleaning cloths typically requires 500-1,000 pieces. SupplyBatch offers 500-piece MOQ with 16-day lead time—enabling optical stores, eyewear brands, and promotional buyers to test quality before larger commitments. Customized logo, packaging, material, and size at 500-piece MOQ.
BUYER VALIDATION: Optical stores (25% of orders), eyewear brands (20%), jewelry stores (15%), corporate gift buyers (15%), promotional products distributors (15%), sunglass brands (10%). 500-1,000 pieces account for 30% of total volume. 1,000-2,500 pieces account for 35% of total volume. 2,500-5,000+ pieces account for 35% (typically eyewear and jewelry programs).
REORDER PATTERN: Average reorder cycle: 30-60 days for optical and jewelry stores, 60-90 days for promotional programs. Second order volume increases 25-40% over initial purchase once quality confirmed. Q2-Q3 strongest order months for summer sunglass season, Q4 for holiday gift programs.
COMPETITIVE DIFFERENTIATION: 1) 80% polyester/20% polyamide blend—soft, effective, scratch-free cleaning not available in cotton alternatives, 2) BSCI and ISO9001 certified—social compliance and quality management for institutional procurement, 3) 5 printing methods: silk screen, heat-transfer, embossing, silver stamping, gold stamping—versatile brand customization for different quality levels
How Businesses Use This Product?
Eyeglass Lens Cleaning: 1,000-unit optical program—custom microfiber cloths with 80/20 blend for eyeglass cleaning
Sunglass Cleaning: 2,500-unit sunglass program—custom printed cloths with gold stamping for sunglass brands
Jewelry Polishing: 500-unit jewelry program—soft microfiber cloths for jewelry polishing with custom logo
Screen Cleaning: 800-unit electronics program—microfiber cloths for screen cleaning with custom packaging
Promotional Giveaways: 1,500-unit promotional program—custom logo cloths for trade show giveaways
Corporate Gifts: 300-unit corporate program—premium cloths with embossed logo for client gifts
Materials, Construction & Specifications
MATERIAL PRIMARY: 80% Polyester + 20% Polyamide — soft, effective cleaning, quick-dry, super absorbent, no scratches or residue
MATERIAL SECONDARY: 100% Polyester (custom option)
GRAM WEIGHT: 140-300gsm — customizable
FEATURES: Quick-Dry, Super absorbent, Soft, Effective cleaning
STYLE: Customized — square, zigzag, or customized according to customer requirements
PRODUCT NAME: Microfiber Cleaning Cloth
SIZE OPTIONS: 15×15cm, 15×18cm, 20×20cm, Customized
COLOR: Customized — any Pantone color acceptable
LOGO: Customized
PRINTING: Silk screen printing, Heat-Transfer printing, Embossing, Silver stamping, Gold stamping
PACKAGING: OPP bags, PVC, paper cards, CPP, PE, Customized
APPLICATION: BSCI, ISO9001 certified facility
USAGE: Suitable for cleaning all kinds of lenses
WEIGHT PER UNIT: 15.0 kg (master carton)
PACKAGE DIMENSIONS: 45×33×25 cm
PRINT AREA DIMENSIONS: Full cloth surface for custom printing
SURFACE TREATMENT OPTIONS: Silk screen, Heat-Transfer, Embossing, Silver stamping, Gold stamping
COLOR OPTIONS: Any Pantone color acceptable
DIMENSIONAL TOLERANCE: ±2cm on finished size
COMPLIANCE STANDARDS MET: BSCI Certified, ISO9001 Certified, OEKO-TEX Standard 100 (upon request), REACH compliance available
Manufacturing Details
Step 1: Raw material sourcing and incoming QC—80% polyester/20% polyamide material verification, gram weight confirmation (140-300gsm), eco-friendly compliance testing. Material from certified suppliers with documented traceability. BSCI and ISO9001 compliance verification. Material conditioning for 24 hours at production temperature. Free samples available.
Step 2: Core manufacturing process—Microfiber material cutting to specified dimensions: 15×15cm, 15×18cm, 20×20cm, or custom. Edge finishing: square, zigzag, or customized according to customer requirements. Quality inspection for material consistency and edge quality. OEM/ODM preparation.
Step 3: Decoration and branding—Custom logo printing based on selected methods: silk screen (1-4 colors), heat-transfer (300 DPI), embossing (raised texture), silver stamping, or gold stamping. Color application for any Pantone color. Print registration and color consistency verification. Full customization support. Artwork proof provided before production. Customized logo, packaging, material, and size at 500-piece MOQ.
Step 4: Finishing and quality inspection—Quick-dry and super absorbent property verification. Surface finish inspection. Print quality verification. Dimensional verification (±2cm tolerance). Weight verification. Product name: microfiber cleaning cloth. Usage: suitable for cleaning all kinds of lenses.
Step 5: Quality control and packaging—100% visual inspection for material defects, print quality, and surface finish. Dimension verification sampling. AQL 1.5 defect tolerance applies. Packaging options: OPP bags, PVC, paper cards, CPP, PE, or customized at 500-piece MOQ. Carton packing for shipping. Free samples available. Production: 16 days for 1-5,000 pieces.
Technical note: Artwork files require 300 DPI minimum resolution, CMYK color mode for printing. Vector formats (.AI, .EPS, .PDF) preferred for logo reproduction. Pantone references for spot color matching. Embossing and metallic stamping require vector artwork with clear raised/metallic areas. Full customization support. Artwork proof provided before production. Free samples available.
Packaging, Carton & Shipping Details
ORIGIN & FACTORY TYPE: Jiangsu, China — BSCI and ISO9001 certified factory with OEM/ODM capabilities
INNER PACKAGING: OPP bags, PVC, paper cards, CPP, PE, or customized packaging at 500-piece MOQ | Free samples available
MASTER CARTON: Single package dimensions: 45×33×25 cm | Gross weight per unit: 15.0 kg | Master carton configuration varies by cloth size
PALLET SPEC: 5,000-20,000 cloths per pallet depending on size | Standard 120×100 cm pallet footprint
EXPRESS SHIPPING: DHL, FedEx, UPS available for sample orders | 3-5 business days transit | Recommended for sample verification
SEA FREIGHT: FCL/LCL available from Jiangsu ports | Transit: 18-25 days to US West Coast, 22-28 days to EU ports | Recommended for 500+ unit orders
REQUIRED DOCUMENTATION: Commercial invoice, packing list, bill of lading, certificate of origin (upon request), BSCI certificate, ISO9001 certificate, OEKO-TEX certificate (if requested)
HS CODE CATEGORY: 6307.10.0000 — Floorcloths, dishcloths, dusters and similar cleaning cloths | US duty rate: 6-12% depending on material composition | EU duty rate: 4-8%
IMPORT COMPLIANCE NOTES: BSCI certification for social compliance. ISO9001 certification for quality management. OEKO-TEX Standard 100 certification recommended for textile safety. REACH compliance available upon request.
QUALITY GATE: Pre-production sample required and approved before mass production | In-process QC checks material composition (80% polyester/20% polyamide or 100% polyester), gram weight (140-300gsm), print quality on selected printing method, and edge finishing | Final inspection covers dimensional accuracy (15×15cm, 15×18cm, 20×20cm or custom), color consistency, surface finish, and packaging condition | AQL 1.5 defect tolerance | Sample retention for quality reference | BSCI and ISO9001 certified facility
How Much Should You Order?
STARTER 500–1,000 pcs: Optical store or eyewear test | Entry wholesale pricing; 16-day production. Free samples available. Custom logo at 500-piece MOQ.
SMALL BATCH 1,000–2,500 pcs: Regional optical or eyewear program | Improved unit economics; 16-day production. Silk screen/heat-transfer printing. Custom colors.
MID VOLUME 2,500–5,000 pcs: National eyewear or jewelry program | Optimized unit economics; 16-day production. Embossing/metallic stamping. BSCI/ISO9001 certified.
BULK 5,000–10,000 pcs: National eyewear or distribution program | Best unit economics; negotiated lead time. OEKO-TEX certification. Custom packaging.
ENTERPRISE 10,000+ pcs: National eyewear brand or multi-season commitment | Custom pricing; dedicated account management; pre-shipment sample included. Negotiated lead times.
Order Quantities & Volume Options
Minimum 500 pcs | Custom logo/packaging/material/size from 500 pcs | Free samples available
Production Schedule & Lead Time
16 days for 1-5,000 pcs | Samples available | Sea freight +18-28 days | Express 3-5 days
Questions Buyers Often Ask
Q: Eyeglass lens cleaning, sunglass cleaning, jewelry polishing, screen cleaning, promotional giveaways, corporate gifts
A:
Q: What BSCI, ISO9001, and OEKO-TEX certifications is available for microfiber cleaning cloths?
A: BSCI certification for social compliance. ISO9001 certification for quality management. OEKO-TEX Standard 100 certification available upon request for textile safety confirmation. REACH compliance statements available for EU markets. Material safety data sheets provided. 80% polyester/20% polyamide blend with quick-dry and super absorbent properties. Free samples available for quality verification. Full documentation for institutional procurement and resale compliance.
Q: What are the technical specifications for silk screen, heat-transfer, embossing, silver stamping, and gold stamping?
A: Silk screen (1-4 colors, cost-effective), heat-transfer (full-color, 300 DPI), embossing (raised texture), silver stamping (metallic silver finish), gold stamping (metallic gold finish). Customized logo at 500-piece MOQ. Sizes: 15×15cm, 15×18cm, 20×20cm, or custom. Any Pantone color acceptable. Style: square, zigzag, or custom. Packaging: OPP, PVC, paper cards, CPP, PE, or custom. Full customization support.
Q: What is the absolute minimum order quantity and how does pricing work?
A: Standard MOQ: 500 pieces for customized logo, packaging, material, and size. Pricing improves at 1,000+ pieces through setup cost amortization. At 2,500+ pieces, per-unit cost typically reduces 20-30%. 15.0 kg master carton weight. 45×33×25cm package size. 16-day lead time for 1-5,000 pieces. Free samples available. BSCI/ISO9001 certified. OEM/ODM services available.
Q: What quality control measures ensure material integrity and print quality?
A: Pre-production sample required and approved before mass production. In-process QC checks material composition (80% polyester/20% polyamide or 100% polyester), gram weight (140-300gsm), print quality on selected printing method, and edge finishing. 100% visual inspection for surface finish and packaging condition. AQL 1.5 defect tolerance. Sample retention for quality reference. BSCI and ISO9001 certified facility.
Q: What are the shipping options and documentation requirements for US and EU delivery?
A: Sea freight from Jiangsu ports: 18-25 days to US West Coast, 22-28 days to EU. Recommended for 500+ unit orders. Express shipping for sample orders: 3-5 business days via DHL, FedEx, UPS. Required documentation: commercial invoice, packing list, bill of lading. HS code 6307.10.0000 applies—US duty 6-12%, EU 4-8%. BSCI, ISO9001, OEKO-TEX certification available. Packaging: OPP, PVC, paper cards, CPP, PE, or custom.
Q: How does 80% polyester/20% polyamide microfiber compare to cotton and standard cleaning cloths?
A: 80/20 polyester/polyamide blend provides 2-3x better cleaning effectiveness than cotton, removing oils and fingerprints without scratching. 140-300gsm weight offers 30-40% more durability than standard 120-180gsm cloths. 80/20 blend is 3-5x more absorbent than cotton for lens cleaning. 80/20 blend is lint-free—cotton leaves fibers on lenses. BSCI/ISO9001 certified ensures social compliance and quality management.
Q: What is the typical reorder pattern for optical, eyewear, and jewelry programs?
A: Optical, eyewear, and jewelry programs typically reorder every 30-60 days for retail inventory, 60-90 days for promotional programs. Second orders show 25-40% volume growth once quality confirmed. Digital file retention eliminates artwork setup charges on reorders. Dedicated account support for recurring programs provides consistent production scheduling. 16-day lead time for 1-5,000 pieces. Free samples available.
