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E-mail: chloe_xia@vleap.com.cn
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Inspection Rate
Our polyester bag production serves the broadest buyer base of any fabric category — because polyester IS the default fabric for bulk bag production worldwide.





Polyester produces more bag units globally than nylon, canvas, cotton, and leather combined. Five advantages make it the industry’s default fabric.

210D to 1680D — the widest denier range of any synthetic bag fabric. Each denier tier serves a different product, from 210D promotional drawstrings to 1680D ballistic travel bags. One material family covers every durability tier.

Polyester is the only major bag fabric that accepts sublimation printing — full-color, edge-to-edge, permanent, wash-resistant. All-over-print designs and photo-quality graphics at scale that no other fabric can match.

Recycled polyester made from post-consumer PET bottles — “made from recycled plastic bottles” is a tangible sustainability story. RPET has identical performance to virgin polyester at 10–20% cost premium.
Polyester is used in more bag types than any other fabric. Here are the eight highest-volume polyester bag products — each links to its dedicated page for full specifications.

600D–1680D polyester with padded straps, laptop sleeve, and PU coating. The #1 polyester bag by revenue. For sportswear brands, school suppliers, and Amazon. See: all backpacks.

600D–900D polyester gym duffle with shoe compartment, wet-dry separation, and ventilation. For fitness brands and Amazon sellers.

600D polyester with PEVA/EPE insulation lining. The #1 fabric for insulated lunch bags — durable outer, food-safe inner. For kitchenware and Amazon sellers.

210D–420D polyester drawstring backpack with cord shoulder straps. The lowest-cost bag in the catalog — highest volume for promotional, events, and schools. Screen-printed logos.

900D–1680D polyester duffle with padded handles, shoulder strap, and zip compartments. PU-coated for water resistance. For sportswear and travel brands.

600D polyester diaper bag with PEVA wipe-clean lining, insulated bottle pockets, and stroller clips. The standard fabric for mid-tier diaper bags.

600D–900D polyester pet carrier with mesh ventilation panels, reinforced base, and double-zip safety closures. The standard fabric for airline-approved carriers.

Full-color sublimation on white polyester — unlimited colors, edge-to-edge coverage, wash-resistant. Any bag type. The print method exclusive to polyester. For fashion, art, and custom-print brands.
Denier (D) measures yarn thickness and directly determines a polyester bag’s durability, weight, hand feel, and cost. Choosing the right denier is the first sourcing decision — and the spec that experienced buyers ask about before anything else.
210–300D
Lightweight
Thin, foldable, lowest cost. For promotional drawstring bags, event giveaways, and foldable shopper bags. Flat-packs at extreme density. Retail: $1–5. Volume: 5,000–100,000+ pcs. The highest-unit promotional bag tier.
420–600D
Standard
The industry sweet spot. Good durability, moderate weight, excellent print surface. For backpacks, lunch bags, crossbodies, diaper bags, pet carriers. The #1 denier range for Amazon FBA polyester bags. Retail: $8–30.
900–1200D
Heavy-Duty
Thick, abrasion-resistant, structured. For gym duffles, travel bags, tool bags, and gear bags. PU-coated standard. For sportswear brands, outdoor companies, and corporate travel gear. Retail: $25–60.
1680D
Ballistic
Maximum durability — the heaviest polyester denier available. For premium luggage, professional equipment bags, and military-grade gear. PU-coated with reinforced stress points. Retail: $45–120+. The polyester alternative to 1680D nylon.

Polyester’s three technical advantages over other fabrics — sublimation printing, water-resistant coating, and recycled RPET availability — are the specs that separate polyester from nylon and canvas in procurement decisions. We engineer all three at the sampling stage.
Sublimation printing is exclusive to polyester (it doesn’t work on nylon or cotton). PU coating is cheaper and more durable on polyester than on canvas. And RPET recycled polyester is the most commercially available recycled bag fabric in the world.
Sublimation Print
Full-color CMYK, edge-to-edge, unlimited colors, photo-quality. Sublimation dye bonds permanently into polyester fiber — wash-resistant, no cracking or peeling. Works on white or light-colored polyester only. The #1 reason brands choose polyester over nylon for printed bags.
Screen Print
1–6 spot colors, highest durability, lowest per-unit cost at volume. Works on all polyester deniers and colors. The standard method for single-logo promotional and branded bags. We recommend screen print as the default for orders over 500 pcs.
PU Coating
Polyurethane coating on the back face — creates water-resistant barrier. Standard on 600D+ polyester for backpacks, gym bags, and travel bags. Measured in mm (0.3mm–1.0mm). PU-coated polyester is the lowest-cost water-resistant bag construction available.
PVC Coating
PVC backing for maximum water resistance and rigidity. Heavier than PU, more rigid. Used on 900D+ polyester for heavy-duty bags. Faces EU REACH restrictions — PU coating recommended for EU-market products.
RPET Recycled
Recycled polyester from post-consumer PET bottles. Identical performance to virgin polyester. Available in 300D, 600D, and 900D. 10–20% cost premium over virgin. GRS (Global Recycled Standard) certifiable on request. The most tangible “made from recycled plastic bottles” story.
Weave Variants
Plain weave (standard), twill weave, ripstop (grid pattern for tear resistance), dobby, jacquard (woven pattern), honeycomb, waffle. Ripstop is standard for lightweight outdoor bags. Jacquard for branded all-over woven patterns.
Every polyester bag leaves our Guangzhou factory fully customized. In-house design, cutting, sewing, coating, printing, and QC. Sample turnaround in 5–7 days.
Free Add-on: Professional Product Photography Included
Free white-background product photos for your online shop, Amazon listings, and wholesale catalogs — no additional charge on production orders.
Polyester is specified by denier, weave, and coating — three variables that interact to determine the fabric’s performance, price, and application. We source the full range from 200+ verified suppliers.




FY Bag Custom operates its own vertically integrated factory in Guangzhou — design, sampling, cutting, sewing, coating, sublimation printing, and QC all under one roof. Polyester is our highest-volume fabric category, and our in-house printing and coating capability means we control both surface finish and structural performance directly.
Our polyester bag production shares lines with every bag type in our catalog — backpacks, gym bags, lunch bags, diaper bags, pet carriers, and more.
Years in Manufacturing
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Pre-Shipment Inspection
Polyester bags face fabric-specific QC risks — denier weight variance, coating adhesion failure, sublimation color shift, zipper failure under load, and seam slippage on coated fabrics. Our 6-stage QC targets each one. Third-party inspections (SGS, BV, TUV) welcome.

Denier weight (GSM), weave type, coating thickness, and color match verified against approved swatches. RPET certification documents checked. Sublimation test print run for color accuracy on production fabric batch.

PPS delivered in 5–7 days with final printing, coating, and hardware. Mass production starts only after your written sign-off on fabric weight, color, print quality, and construction.

Sublimation color accuracy and registration verified piece by piece on first 50 units. Screen print adhesion tested. Coating adhesion spot-checked. Water-resistance tested on coated fabrics by surface drip test.

Seam strength and slippage tested — coated polyester requires different sewing tension than uncoated. Zipper pull-tested. Buckle cycle-tested. Strap anchor points load-tested. Padding compression checked.

Every finished polyester bag inspected one by one — fabric surface, print quality, coating integrity, zipper function, hardware, strap attachment, lining, label placement. Not sampled, not skipped.

Individually polybag-packed or flat-packed per spec. Container loading photos and videos sent within 24 hours. Carton counts, seal numbers, and shipping marks documented.
Polyester bags have the fastest and most scalable production cycles of any bag fabric — the material is readily available, in-house printing is fast, and consistent quality scales to any volume. Sample in 5–7 days, bulk in 20–30 days.

Day 1–2
Send artwork/tech pack; receive FOB quote in 24 hours.

Day 3–10
Printed/coated prototype in 5–7 days via DHL.

Day 11–13
30% T/T deposit; balance before shipment.

Day 14–40
Daily WIP photos including print and coating stages.

Day 41–45
100% inspection plus loading documentation.

Day 46–55
Sea, air, express, or direct-to-FBA.
Sample Lead Time
5–7 Days
Mass Production
25–35 Days
Payment Terms
30% T/T · 70% Before Shipment
Shipping Terms
FOB · CIF · DDP · Amazon FBA
Over the past 15+ years, FY has manufactured polyester bags for sportswear brands, Amazon FBA sellers, promotional distributors, and specialty product companies worldwide.
OEM production of 600D PU-coated polyester gym duffles and backpacks in 8 team colorways. Pantone-matched, reflective logo, padded laptop sleeve. 100% inspection. FOB to US and EU distribution centers.
ODM partnership on sublimation-printed polyester backpacks — six all-over-print designs, 600D polyester, padded straps. FNSKU labeling, Amazon packaging, free photography. Ranked top 20 in “printed backpack” within 30 days.
210D polyester drawstring bags with one-color screen-printed logo for a national corporate wellness program. Flat-packed 300 per carton. Sea freight CIF. Delivered 6 weeks ahead of launch. Reordered 4× annually.
Global Shipping Options
•Sea Freight
•Air Freight
•Express (DHL, FedEx, UPS)
•Rail Freight
•Door-to-Door
•Direct-to-Amazon FBA
Straight answers to the questions bulk-order buyers ask most often about custom polyester bag production.
210–300D for promotional giveaways and foldable bags. 420–600D for everyday backpacks, lunch bags, crossbodies, and diaper bags — the most popular range. 900–1200D for heavy-duty gym duffles and travel bags. 1680D for premium luggage and equipment bags. We recommend based on your product type and retail price.
Polyester is lower cost, accepts sublimation printing, and maintains better color consistency. Nylon is lighter weight per denier, has better abrasion resistance, and has a softer hand feel. We produce both and can guide your material choice based on product, market, and budget.
Yes — sublimation is exclusive to polyester (it doesn’t work on nylon, cotton, or canvas). Full-color, edge-to-edge, permanent, wash-resistant. Works on white or light-colored polyester. We handle artwork preparation and color proofing at sampling.
Yes. We source RPET (recycled PET from post-consumer plastic bottles) in 300D, 600D, and 900D. Identical performance to virgin polyester at 10–20% cost premium. GRS (Global Recycled Standard) certification available on request.
PU coating (water-resistant, most popular, 0.3mm–1.0mm), PVC coating (waterproof, heavy-duty, faces EU restrictions), DWR treatment (surface spray, lightest water repellency), and TPE lamination (eco-friendly waterproof). PU coating is our default recommendation for most products.
Polyester bags have among the most flexible MOQs in the industry due to widely available material and established production processes. Simple drawstring bags have the lowest MOQs; complex multi-compartment backpacks have higher MOQs. Contact us with your product and quantity for a specific confirmation.
Yes. FNSKU labeling, Amazon-compliant polybag packaging, and carton labeling handled at our Guangzhou factory. Direct to FBA warehouses in the US, EU, UK, and other markets.
Yes. European Industrial Park, Shiling Town, Huadu District, Guangzhou. Monday–Saturday. Video tours available for remote buyers.
Send us your artwork, tech pack, or reference sample — we’ll come back within 24 hours with a detailed FOB quotation covering polyester denier, coating, printing method, hardware, and packaging. No templates, no copy-paste pricing.