What Is GRS Certification?

The Global Recycled Standard (GRS) is an international, voluntary, full-product standard administered by Textile Exchange. It independently certifies recycled content, supply chain traceability, and social and environmental manufacturing practices for textile products.

GRS 4.0 is the current version. It covers all types of recycled input materials — post-consumer and pre-consumer — and requires verified chain of custody at every stage, from raw material through to the finished product leaving the factory.

What does GRS actually verify?

GRS verifies three things: (1) the recycled content percentage in the finished product, (2) chain of custody documentation at each tier of the supply chain, and (3) the manufacturer’s social and environmental practices meet GRS minimum standards. It does not replace product safety certifications like OEKO-TEX® Standard 100.

Who administers GRS?

GRS is owned and administered by Textile Exchange, a global non-profit working to reduce the environmental impacts of the textile industry. Certification is carried out by approved third-party certification bodies, not by Textile Exchange or the manufacturer directly.

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GRS 4.0
CERTIFIED

Renrui’s GRS Scope Certificate

Renrui Textile holds an active GRS 4.0 Scope Certificate covering recycled polyester fabric products including flannel, plush, and fleece fabric ranges.

What Recycled Materials Does Renrui Use?

Under GRS certification, we source recycled polyester (rPET) derived from post-consumer recycled plastic bottles. Each tonne of rPET fabric saves approximately 60 kg of CO₂ versus virgin polyester and diverts plastic waste from landfill and ocean sources.

🍶 Post-Consumer rPET

Recycled from post-consumer PET plastic bottles — the primary certified input for our GRS fabric range. Fully traceable from collection point to finished fibre.

🧵 Recycled Polyester Yarn

rPET bottles are processed into recycled polyester staple fibre or filament yarn, then woven or knitted into our certified fabric constructions.

🌿 Pre-Consumer Recycled Fibre

Selected product lines incorporate pre-consumer recycled fibre — manufacturing offcuts and yarn waste — where technically feasible. All sources are GRS scope-approved.

🔬 Content Threshold

GRS requires a minimum of 20% recycled content to bear the label. Renrui’s certified fabric lines exceed this threshold. Exact percentages are stated on Transaction Certificates.

How GRS Chain of Custody Works

GRS requires verified documentation at every tier of the supply chain, so a buyer can trace recycled content from finished fabric back to the source. We participate in the full chain — from certified yarn supplier through to final fabric and TC issuance at shipment.

🍶 Recycled Input

Certified post-consumer rPET bottles collected & sorted

⚙️ Fibre / Yarn

rPET processed into certified recycled polyester fibre or yarn

🏭 Fabric Manufacturing

Renrui weaves / knits certified yarn into finished fabric

📦 Shipment

Each order is accompanied by a Transaction Certificate

🏷️ Your Brand Claim

You can legally claim “made with GRS certified recycled materials”

How to Verify Your Transaction Certificate

1. Request the TC

We issue a Transaction Certificate for every GRS-certified shipment. Request it when placing your order or at the proforma invoice stage.

2. Check Online

Verify the TC via the Textile Exchange public database or CERT ID platform using the certificate number. Scope Certificates are also publicly searchable.

3. Make Your Claim

With a valid TC on file, you can make credible GRS recycled content claims on product labels, your website, and marketing materials.

GRS Certified vs. "Recycled" Claim — What's the Difference?

The “recycled” claim is one of the easiest things to misrepresent in textile sourcing. A supplier can call any blend with a handful of recycled fibres “eco-friendly” and, until recently, there was no mechanism for buyers to check that assertion. GRS certification was developed specifically because the market needed a standard that audits the entire chain — from raw material collection through yarn and fabric production — and issues a per-shipment Transaction Certificate that buyers can verify independently, without relying on the supplier’s word.

Criterion Unverified “Recycled” Claim GRS 4.0 Certified (Renrui)
Recycled content verified by third party ✗ Not verified ✓ Independently certified
Chain of custody traceability ✗ Not documented ✓ Full supply chain documentation
Transaction Certificate per shipment ✗ Not available ✓ TC issued per shipment
Social & environmental standards ~ Unaudited ✓ Audited to GRS requirements
Compliant with EU Green Claims Directive ✗ High greenwashing risk ✓ Backed by third-party standard
Accepted by major EU/US retailers ~ Varies by buyer ✓ Widely accepted standard
Public certificate verification ✗ Not possible ✓ Verifiable via Textile Exchange database

GRS Certified Fabric Products at Renrui

Our GRS certification scope covers recycled polyester variants across our core fabric lines. Every GRS-certified product can also be supplied with OEKO-TEX® Standard 100 certification — giving buyers verified recycled content and product safety from one supplier.

🧣 GRS Recycled Flannel Fabric

GRS certified recycled polyester flannel — single and double-sided brushed, standard and custom weights. Our scope certificate covers all listed constructions.

View Flannel Blankets →

🐰 GRS Recycled Plush Fabric

GRS certified recycled polyester plush and faux fur. Multiple pile heights and densities available — pile and backing both certified.

View Plush Blankets →

☁️ GRS Recycled Fleece Fabric

Super soft fleece made with GRS certified recycled polyester — coral, polar, and anti-pilling constructions. Our most-requested GRS product.

View Fleece Blankets →

🛏️ GRS Certified Custom Blankets

Custom OEM blankets made with GRS certified recycled fabric. Right for private label brands targeting sustainability-conscious end markets.

View Custom Blankets →

What GRS Certification Means for Your Business

If you sell into the EU, UK, or North American markets, sustainability claims now carry real legal risk. Sourcing GRS certified fabric from us gives you the documentation to back those claims — and the audit trail to satisfy retailers, regulators, and end consumers.

🏷️ Credible Product Claims

Use “made with GRS certified recycled materials” on labels, hang tags, and listings. It’s backed by an independent standard — not just your supplier’s word.

⚖️ EU Green Claims Compliance

The EU Green Claims Directive (2026+) requires environmental claims to be substantiated by recognised third-party standards. GRS certification satisfies this requirement for recycled content claims.

🛒 Retailer Requirement Ready

Major EU and US retailers increasingly require GRS or equivalent verification in their supplier codes of conduct. Our certification means you can respond to these requirements straight away — no waiting on audits.

📊 ESG Reporting Data

GRS Transaction Certificates provide the verified data you need for corporate sustainability reports, ESG disclosures, and scope 3 emissions calculations — not just marketing materials.

🌏 Environmental Impact Numbers

Each tonne of rPET fabric saves approximately 60 kg CO₂ vs. virgin polyester and diverts roughly 60,000 plastic bottles from landfill. GRS gives you the data to quantify and communicate this impact.

🤝 Buyer Confidence

Unverified “eco” claims carry real greenwashing risk. With GRS, the accountability sits with an independent certifier — not with you or your supplier.

GRS + OEKO-TEX® — The Full Sustainability Package

GRS + OEKO-TEX®: What Each Certification Actually Covers

GRS verifies what your fabric is made from. OEKO-TEX® Standard 100 verifies that it is safe for human contact. We hold both — giving buyers verified recycled content and product safety from a single supplier.

Certification What It Certifies Key Benefit for Buyers Renrui Status
GRS 4.0 Recycled content % + chain of custody Verified recycled content claims, ESG reporting data ✓ Active
OEKO-TEX® Std 100 Product free from 100+ harmful substances Product safety assurance, EU REACH pre-validation ✓ Active

Frequently Asked Questions — GRS Certified Fabric

GRS (Global Recycled Standard) is an international, voluntary, full-product standard administered by Textile Exchange. It independently certifies recycled content, chain of custody, and social and environmental manufacturing practices. GRS 4.0 is the current version. It is one of the most widely recognised recycled content certifications in the global textile industry.

When you source GRS certified fabric, you receive: (1) independently verified recycled content percentage, (2) chain of custody documentation traceable from raw material to your door, (3) a Transaction Certificate per shipment enabling credible recycled content claims, and (4) assurance that chemical restrictions and social practices at the manufacturer have been third-party audited.

GRS requires a minimum of 20% total product weight in certified recycled content to use the GRS label. Products with 20–99% recycled content are labelled “Made with GRS certified recycled materials”. Products at 100% may use “Made with 100% GRS certified recycled materials”. Renrui’s GRS certified fabric lines exceed the minimum 20% threshold.

GRS certifies recycled content and chain of custody — it answers “how much is genuinely recycled?” OEKO-TEX® Standard 100 certifies the finished product is free from over 100 harmful substances — it answers “is this fabric safe?”. They are complementary certifications. Renrui holds both, giving buyers verified recycled content AND product safety assurance from a single supplier.

GRS Transaction Certificates can be verified via the Textile Exchange public database or CERT ID platform using the certificate number. The TC lists the supplier, product, recycled content percentage, shipment quantity, and validity period. Renrui provides a TC for every GRS-certified order. Scope Certificates are also publicly searchable by company name or certificate number.

GRS covers all recycled material types including post-consumer recycled (PCR) materials such as rPET from bottles, recycled nylon from fishing nets, and reclaimed textile waste; and pre-consumer recycled (PIR) materials such as manufacturing offcuts. Renrui’s primary GRS certified input is post-consumer recycled polyester (rPET) derived from plastic bottles.

Explore Renrui's Sustainable Fabric Range

Eco Friendly Textiles

Our guide to sustainable fabric sourcing — materials, certifications, and how to evaluate eco manufacturers. A good starting point if you’re new to sustainable sourcing.

View our eco friendly textile collection →

OEKO-TEX® Certified Fabric Supplier

We’re also OEKO-TEX® Standard 100 certified — every fabric component tested against 100+ harmful substance limits. GRS + OEKO-TEX® together give buyers the strongest certification combination we offer.

Learn about our OEKO-TEX® certification →

Low MOQ Textile Manufacturer

GRS certified fabric from 500 metres or equivalent. Low enough to test a sustainable product line before committing to full production runs.

Enquire about low MOQ GRS products →

Biodegradable Textiles: The Future of Eco Fabrics

How biodegradable and recycled materials are reshaping textile sustainability — and what buyers should consider when comparing recycled vs. bio-based fabric options.

Read the article →

Request a Sample or Quote

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Why Request a Quote From Us

  • Low MOQ — from 100 pcs per colour / design
  • OEKO-TEX® Standard 100 & GRS 4.0 certified materials
  • Full OEM / ODM — your design, labels & packaging
  • Sample turnaround in 7–10 days
  • Free fabric swatch pack on request

What to Include in Your Inquiry

  • Styles & target quantity
  • Material / fabric preference
  • Custom logo & labeling needs
  • Target price & deadline

⏱️ We reply to every inquiry within 8–12 hours.

You can also reach us directly:
WhatsApp: +86 13372169755
E-mail: [email protected]