Custom waterproof bags, dry bags and roll-top backpacks

Waterproof Bag Manufacturer in China

Direct answer: Benshine is a waterproof bag manufacturer in China with dry bag, roll-top backpack and outdoor-container references. BSB-FS-01 lists 500D PVC sheet, 0.5 mm thickness and 26 × 11 × 20 cm dimensions; BSB-FS-02 is described with 500D PVC tarpaulin, welded seams and a roll-top closure; WB01 lists 300D PVC tarpaulin and a 20.5 cm diameter × 51 cm height. Buyers can discuss size, closure, straps, branding and packaging for a custom version.

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Roll-top dry bag reference BSB-FS-01 — Dry bag reference BSB-FS-01

Waterproof backpack concept reference BSB-FS-02 — Backpack reference BSB-FS-02

Collapsible outdoor bucket reference BSB-FS-03 — Collapsible container reference BSB-FS-03

Custom waterproof bags and dry bags

Benshine develops custom waterproof bags for outdoor, travel and equipment brands. The catalog includes dry bag and roll-top backpack references, alongside a portable collapsible outdoor bucket. Select a starting style, then align its dimensions, materials, closure and carrying details with your product brief.

Waterproof bag references and listed specifications

BSB-FS-01: 500D PVC sheet, 0.5 mm thickness, 26 × 11 × 20 cm and a 32.5 cm opening width. Its specification lists a single adjustable shoulder strap (55–95 cm); the original description calls it a waterproof dry bag and lists welded seams, a clip closure and D-rings.
BSB-FS-02: 500D PVC tarpaulin roll-top backpack. The original description lists welded seams, a buckle closure, main compartment, front zip pocket, adjustable shoulder straps and reflective accents.
WB01: 300D PVC tarpaulin dry bag, 20.5 cm diameter × 51 cm height and 10 L listed capacity. The original description lists a roll-top clip closure, adjustable/removable shoulder straps, D-ring lash points and bright pink color.
WB02: the original record calls this a waterproof tarpaulin bag and dry bag but does not list a material grade, dimensions, closure or capacity.
BSB-FS-03: portable collapsible outdoor bucket listed with PVC tarpaulin and multiple size options.

These are model-level details from the available product records. Confirm the exact materials, dimensions, closures, straps, branding and packaging for the custom order.

Plan a custom waterproof bag order

Share the intended use, what the bag will carry, target dimensions, desired style, material preference, closure, carrying method, logo placement and packaging. Benshine can use those details to prepare a project-specific bag specification and sample for review.

Application-led design

Choose the construction by how the bag will be used

An application is a starting point for specification—not a substitute for dimensions, materials, components and measurable requirements.

Roll-top dry bag concepts

Compare the roll-top format, listed material and size with the intended contents and carrying method.

Weather-protection backpacks

The BSB-FS-02 reference is described with 500D PVC tarpaulin, welded seams and a roll-top closure.

Collapsible outdoor containers

BSB-FS-03 is listed as a portable, collapsible outdoor bucket; specify capacity, open and folded dimensions, and carrying details.

Outdoor equipment protection

Select a format by contents, transport, material, opening and the water exposure expected in the project.

Benshine product references

Explore waterproof bags construction options

Select a reference to review the available source details, then identify what must change for your product.

SKU BSB-FS-01-waterproof-dry-bag-outdoor-adventure

500D PVC Outdoor Carry Bag BSB-FS-01

BSB-FS-01 500D PVC dry bag: 0.5 mm sheet, 26 × 11 × 20 cm, 32.5 cm opening, adjustable strap and original-source welded seams, clip closure and D-rings.

SKU BSB-FS-02-Waterproof-backpack

500D PVC Roll-Top Backpack BSB-FS-02

Waterproof 500D PVC roll-top backpack BSB-FS-02 with welded seams, buckle closure, main compartment, front zip pocket, adjustable straps and reflective accents.

Custom portable collapsible outdoor bucket product view

SKU BSB-FS-03-Portable-Collapsible-Ourdoor-Bucket

BSB FS 03 Portable Collapsible Outdoor Bucket

Portable collapsible outdoor bucket reference BSB-FS-03. The source lists PVC tarpaulin and multiple size options, without exact dimensions. Category placement does not establish waterproof performance.

SKU wb01-waterproof-dry-bag

300D PVC Roll-Top Bag WB01

WB01 waterproof dry bag in 300D PVC tarpaulin: 20.5 cm × 51 cm, listed 10 L capacity, roll-top clip, adjustable straps and D-ring lash points.

SKU wb02

Tarpaulin Bag Reference WB02

Waterproof tarpaulin dry-bag WB02 source reference. The original product record uses all three names; dimensions, material grade, closure and capacity are not listed.

RFQ specification checklist

Decisions to control before sampling

A complete brief helps Benshine review feasibility and gives buyers a clearer basis for comparing quotations and samples.

Decision	Information to provide	Why it matters
Exposure and acceptance test	Expected use such as rain, spray or brief water contact; duration and desired protection level	A clear use case helps align the material, seams and closure with the requested bag style.
Body material	Base textile or film, coating or lamination, thickness and colour	The catalog references list PVC sheet or PVC tarpaulin for selected models.
Seams and joining	Stitching, seam treatment, welding or other project-specific joining requirements	The listed construction varies by model, including welded seams on the BSB-FS-02 reference.
Closure and openings	Roll-top procedure, zipper, flap, valve, pocket and opening details	A roll-top closure is listed for the BSB-FS-02 and WB01 references.
Load, features and branding	Contents, weight, straps, attachments, artwork, labels, instructions and packaging	These details distinguish the final custom version and its intended use.

From reference to production brief

A controlled sourcing path

Choose a reference style

Compare the dry bag, roll-top backpack and collapsible outdoor-container references with the intended contents and carrying method.

Set the custom specification

Share target dimensions, material, closure, straps, pockets, branding, instructions and packaging.

Review the sample

Confirm the selected materials, construction, dimensions and features on the project sample.

Confirm production details

Align the approved specification, workmanship checkpoints, packing and commercial terms before production.

Build a better sourcing brief

Frequently asked questions about waterproof bags

What waterproof bag styles can Benshine develop?

The catalog includes dry bag and roll-top backpack references, plus a portable collapsible outdoor bucket.

What materials and features appear in the references?

BSB-FS-01 lists 500D PVC sheet at 0.5 mm, 26 × 11 × 20 cm, a 32.5 cm opening and a 55–95 cm adjustable strap. BSB-FS-02 is described with 500D PVC tarpaulin, welded seams, a roll-top buckle and front zip pocket. WB01 lists 300D PVC tarpaulin, 20.5 cm diameter × 51 cm, 10 L capacity and a roll-top clip.

Can I customize the size and closure?

Yes. Share the intended use, target dimensions, materials, closure, straps, branding and packaging for a project-specific specification.

Are the catalog dimensions the only available sizes?

They are reference details from the listed models. Confirm the final dimensions and construction for each custom order.

What is the MOQ and lead time for custom waterproof bags?

MOQ is typically 500–1000 pcs depending on style, and lead time is typically 30–45 days depending on quantity and style. The exact MOQ and lead time are confirmed per quotation, after the specification, materials and branding are fixed.