Tel/WhatsAapp:+86 13366396425
E-mail: chloe_xia@vleap.com.cn
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Inspection Rate
Our bum bag production workflow is structured entirely around bulk-order buyers — from 300-piece Amazon test runs of nylon running belts to 20,000-piece seasonal fanny pack collections for global streetwear brands.





The bum bag (fanny pack / waist bag / belt bag) has moved from niche athletic accessory to mainstream fashion and travel essential. Five product features drive that surge — and each one creates a sales advantage for your brand.

Worn at the waist, hip, or chest — no strap sliding, no bag swinging. The bum bag stays put during movement, which no shoulder bag or crossbody bag can match.

Typically under 300g. Compresses flat when empty, folds into a suitcase or jacket pocket. Packable design makes it a strong add-on sale for travel brands and outdoor lines.

Front-zip main compartment, rear zip for valuables, mesh divider for keys — all reachable without removing the bag. No fumbling through a deep tote or opening a flap.

Waist, hip, crossbody chest, or sling over one shoulder — one product, four wear positions. This versatility drives higher sell-through and stronger review scores.

Running, hiking, festivals, cycling, theme parks, dog walking, travel. The bum bag is the default hands-free bag for active occasions — a category no other bag type owns as completely.
From slim running belts to oversized festival fanny packs, we manufacture across every bum bag style that sells across e-commerce, retail, outdoor, and promotional channels.

The standard bum bag silhouette — single main zip compartment, front pocket, adjustable webbing strap with side-release buckle. Nylon, polyester, or PU leather. The baseline SKU for every bum bag product line.

Ultra-thin waist pouch for phone, keys, and cards. Lycra-stretch or lightweight nylon. Bounce-free fit with elastic or adjustable clip strap. Built for athletic brands and Amazon fitness sellers.

Large-capacity waist bag with multiple compartments, bottle holder, and wide padded strap. Nylon or polyester with bold prints. Popular with festival-goers and streetwear brands — high-volume Amazon SKU.

Structured mini belt bag in PU leather, quilted nylon, or saffiano-textured PU. Gold or silver hardware, chain detail, designer-inspired silhouette. For fashion brands and boutique retail — the bum bag rebranded as a luxury accessory.

Crossbody-chest wear position with a single strap. Nylon or polyester with padded back panel. Front zip, side mesh pocket, headphone port. Popular with streetwear and techwear brands — overlaps with the crossbody bag category.

Transparent PVC or TPU bum bag for stadium entry compliance and festival transparency policies. Contrast-color trim and zip. A seasonal high-volume item for event merchandisers and Amazon sellers.

TPU-laminated or welded-seam nylon waist pouch with RFID-blocking pocket. Slim profile worn under clothing for passport, cash, and cards. Built for travel brands and security-focused product lines.

Natural-fiber bum bag in 12oz–16oz cotton canvas, organic cotton, or recycled RPET. Screen-printed or embroidered logos. Core product for eco brands, promotional giveaways, and festival merch.
The bum bag’s multi-wear capability is its core selling point for bulk buyers. One SKU works across four body positions — which means broader customer appeal, higher sell-through rates, and fewer size-related returns.
The traditional fanny pack position — bag at the front, strap around the waist. Maximum access speed and security. Most popular with travelers, theme park visitors, and festival-goers.
Bag shifted to the rear hip for a more casual, streetwear-adjacent look. Popular with younger demographics and urban commuters. The strap still centers weight on the hips for hands-free carry.
Strap worn diagonally across the chest — the wear mode driving bum bag growth on social media and in streetwear. Overlaps with crossbody positioning but with the bum bag’s lighter weight and body-hugging fit.
Single-strap sling over one shoulder — a hybrid between bum bag and shoulder bag. Works with oversized festival fanny packs and fashion belt bags. Strap length must support waist-to-sling conversion (typically 60–130cm adjustable).

A bum bag strap must do what no other bag strap does: hold the bag flush against the body during active movement — running, cycling, hiking, dancing — without sliding, bouncing, or digging in. We engineer strap width, buckle type, elastic response, and waist range at the prototype stage.
The wrong buckle or strap width creates returns. A side-release buckle that cracks in cold weather, a strap too narrow to distribute weight, a waist range too short for plus-size customers — we test and solve these at sampling, not after your first production run.
Strap Width
20mm–50mm — running belts at 20mm, classic waist packs at 25–38mm, oversized festival packs at 38–50mm. Custom widths available.
Waist Range
60–130cm adjustable (fits waist 24″–52″). Extended-range straps to 150cm available for plus-size inclusive product lines.
Buckle Types
Side-release clip (standard), magnetic buckle, dual-release safety buckle, squeeze buckle — all with smooth slide adjustment. Custom-logo buckles available at higher MOQ.
Strap Materials
Polypropylene webbing, nylon webbing, elastic stretch, jacquard-woven — printed, dyed, or branded options. Reflective webbing for running and cycling lines.
Comfort Features
Padded back panel (mesh or foam), anti-slip silicone grip strips, breathable mesh lining — prevents bounce and moisture buildup during athletic use.
Water Resistance
TPU lamination, DWR coating, welded seams, water-resistant zippers — available across nylon and polyester bum bag styles for outdoor and travel lines.
Every bum bag leaves our Guangzhou factory fully customized to your brand specifications. In-house design team, dedicated sampling workshop, 10+ production lines. 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.
Bum bags demand lighter-weight, more durable fabrics than most handbag categories — they’re worn during movement and exposed to sweat, rain, and abrasion. We source from 200+ verified suppliers to lock in consistency across high-volume runs.




FY Bag Custom operates its own vertically integrated factory in Guangzhou, Guangdong — with design, sampling, cutting, sewing, printing, and QC all under one roof.
That’s how we maintain 100% inspection on every order and serve 1,000+ international clients year after year. The factory began as a small handbag workshop in 2010. In 2018 we moved into our own modern facility; in 2021 we expanded into eco-friendly materials and waterproof construction technologies.
Years in Manufacturing
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Pre-Shipment Inspection
Bum bags face unique stress points — waist buckle fatigue, strap-slide failure, zipper exposure to sweat and rain, and bounce-related seam stress during active use. Our 6-stage QC system targets these failure modes specifically. Third-party inspections (SGS, BV, TUV) welcome.

Fabric weight, GSM, color match, and water-resistance rating verified against approved samples. Strap webbing tested for colorfastness, tensile strength, and buckle compatibility.

PPS delivered in 5–7 days. Mass production starts only after your written sign-off on fabric, strap width, buckle function, compartment layout, and branding placement.

Cutting accuracy, pattern alignment verified. Stitch count, seam strength, symmetry spot-checked. Buckle anchor points and strap attachment zones receive additional stress-testing.

Side-release buckle snap-cycle tests (500+ cycles), zipper pull-tests, slider smoothness checks, cord-lock tension tests. Buckles tested for cold-crack resistance and UV stability.

Every finished bum bag inspected one by one — body shape, buckle function, strap slide, zipper, logo, lining cleanliness, compartment layout. Not sampled, not skipped.

Container loading photos and videos sent within 24 hours. Carton counts, seal numbers, and shipping marks documented for your records.
Built for both first-time importers and experienced wholesale buyers. Sample turnaround in 5–7 days keeps your launch timeline on track.

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

Day 3–10
Paid prototype in 5–7 days via DHL or FedEx.

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

Day 14–40
Daily WIP photos via email or WhatsApp.

Day 41–45
100% inspection plus loading photos.

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 bum bags for sportswear brands, festival merchandisers, Amazon private-label sellers, and promotional distributors worldwide.
Tech packs for 6 SKUs spanning slim running belts and classic waist packs. Pantone-matched 420D nylon, reflective strap webbing, and custom-logo side-release buckles. 100% inspection, branded polybags, FOB to regional DC.
ODM partnership on a five-color oversized fanny pack with bold all-over prints. FNSKU labeling, Amazon-compliant packaging, free product photography. Air-shipped direct to FBA in US and UK. Reorders tripled after first batch.
OEM production of a stadium-compliant clear PVC bum bag with branded neon trim for a major music festival. Screen-printed festival logo. Delivered CIF in 30 days, timed with ticket launch promotional campaign.
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 bum bag, fanny pack, and waist bag production.
MOQ depends on style, fabric, and customization level. We welcome low-MOQ orders from start-ups and Amazon sellers testing a new fanny pack, and scale smoothly to full-container wholesale runs. Contact us with your style and target quantity for a specific confirmation.
5–7 days for most bum bag prototypes, including strap engineering and buckle fitting. Complex styles with waterproofing or custom-logo buckles may need 3–5 additional days. Samples ship via DHL or FedEx.
Yes. We offer TPU lamination, DWR coating, welded seams, and water-resistant zippers across nylon and polyester bum bag styles. These features are available as standard options for outdoor and travel product lines.
Same product, different regional naming. “Bum bag” is the standard term in the UK and Australia. “Fanny pack” is used in North America. “Waist bag” and “belt bag” are used in both markets and in B2B contexts. We use all terms interchangeably for SEO purposes and recommend the same approach for your listings.
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. We produce clear PVC and clear TPU bum bags that meet NFL, NCAA, and concert venue clear-bag policies. Available with colored trim, custom zippers, and screen-printed or heat-transfer logos.
Standard adjustable strap fits waist 24″–52″ (60–130cm). Extended-range straps to 150cm are available for plus-size inclusive product lines. Custom waist ranges are set at the sampling stage.
Yes — professional white-background photography included free on production orders. Listing-ready for Amazon, Shopify, and wholesale catalogs.
Send us your tech pack, reference sample, or rough sketch — we’ll come back within 24 hours with a detailed FOB quotation, recommended materials and buckle options from our 200+ supplier network, and a realistic production timeline. No templates, no copy-paste pricing.