What is the MOQ for this waterproof backpack?

The MOQ is 300 pcs and can be negotiated for your first order.

Can I customize the color, size, material and logo?

Yes, we offer full OEM/ODM customization. Colors, sizes, materials, pockets and your logo can all be customized to your requirements.

What is the sample and mass production lead time?

Sample lead time is 7 days. Mass production lead time is about 50 days, depending on order quantity and complexity.

What material is this waterproof backpack made of?

It is made of 840D TPU tarpaulin, selected for durability and easy maintenance.

What payment terms and delivery terms do you accept?

Payment: T/T, L/C, D/A, D/P, PayPal. Delivery: FOB, CIF, DAP, DAT, DDP from Xiamen, China.

Sonic Welded Waterproof Backpack 30L | Dry Bag Backpack for Hiking, Travel, Beach

Name: Sonic Welded Waterproof Backpack 30L Dry Bag | Quality
SKU: SK50027
Price: 1.00 USD
Availability: InStock

Sonic welded waterproof backpack 30L in waterproof fabric – roll-top dry bag protection for hiking, travel & kayaking. Padded comfort, custom OEM/ODM

SKU: SK50027 Categories: Dry Bags, Backpacks, Welded Bags Tags: China bag manufacturer, SEO Title: {title} | {product_cat} - Skysoar Factory Focus Keyword: wholesale {product_cat}

Description
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Description

Our sonic welded waterproof backpacks combine the protection of a dry bag with the comfort of a daypack. sonic welded seams and sealed construction keep your gear dry in any weather, while padded shoulder straps and a breathable back panel make it comfortable for all-day carry. Fully customizable in color, size and logo for OEM/ODM projects.

Item No.: SK50027
Item Category: Waterproof Backpack
Logo: Customized
Capacity: 30L or Customized
Material: 840D TPU tarpaulin
Size: 30* 15* 68cm or Customized
Color: yellow
OEM/ODM: OEM

Order the waterproof backpack 30l in bulk for your store — every waterproof backpack 30l includes our quality guarantee, and we ship the waterproof backpack 30l worldwide with fast lead times and custom packaging.

MOQ: 300pcs
Sample Lead Time: 7days
Lead time: 50days
Supply Ability: 30,000pcs/m
Packing: 1pc/PE bag
Export Port: Xiamen, China
Payment Term: T/T, L/C, D/A, D/P, PayPal
Delivery Term: FOB, CIF, DAP, DAT, DDP

Product Key Features

Sonic Welded Waterproof Backpack 30L

Sonic Welded Seams – No Needle Holes
Waterproof Roll-Top or Zipper Closure
Padded Shoulder Straps & Back Panel
Tear-Resistant TPU Construction
Lightweight, Ergonomic Carry
Custom Colors, Capacity & Logo (OEM/ODM)

Product Highlights

Sonic Welded Waterproof Backpack 30L

Welded Waterproof Construction: High-frequency RF welding bonds the TPU panels into one seamless shell. With no stitched needle holes, this backpack keeps contents dry in heavy rain and splash conditions.
Roll-Top Airtight Seal: The roll-top closure folds and clips to create an airtight seal — the same system trusted by kayakers and sailors worldwide.
Comfort-First Design: Padded, adjustable shoulder straps, a breathable back panel and a sternum strap distribute weight comfortably during long hikes or commutes.
Gear-Ready Organization: Roomy main compartment plus smart pockets keep clothing, electronics, water bottles and daily essentials organized and easy to reach.
Built for the Outdoors: From mountain trails to city commutes, this backpack is engineered for hiking, travel, kayaking, cycling and everyday adventure.
OEM/ODM Customization: Custom colors, capacity, materials and logos available with low MOQ, fast sampling and reliable export from our factory.

Dry Bag * Durable Material: This dry bag is made of ripstop tarpaulin material, totally waterproof, sturdy, antiwear and durable. * Waterproof: Solid roll-top closure system provides a secure watertight seal. Keep your gear dry in any wet situation where the dry bag is not fully submerged. * Floating Bag: This dry bag can float on water after rolled and buckled, easy to wipe clean due to its smooth surface. * Wide Usage: This dry bag is perfect for boating, kayaking, paddling, sailing, canoeing, surfing or having fun on the beach. * Compact Size: Perfect size, with portable weight, very convenient for you to carry for storing clothes and camping equipment when camping in the wild.

Quick Enquiry Form

Why Choose Us

Skysoar Bags — RF Welded Waterproof Bag Manufacturer

Skysoar Bags is a professional RF welded waterproof bag manufacturer and exporter based in China. We specialize in high-frequency RF welding, hot-air welding and ultrasonic welding — producing dry bags, waterproof backpacks, cooler bags, bicycle bags, duffel bags, laptop bags and more, all built with welded seams instead of needle holes for true waterproofing.

With 6 mass production lines and 180 skilled workers, our monthly output reaches 120,000 pieces. Every bag is quality-inspected before shipping, and our team provides full OEM/ODM service: custom materials, colors, sizes, logos and packaging with low MOQ, free samples and reliable lead times. Contact us for a quotation — we ship worldwide on FOB, CIF and DDP terms.

Quality Control

Our primary goal is to ensure on time delivery of products at the required quality level. Each bag is meticulously inspected.

Customer Service

Having A Service Team Of Qualified Specialist Staff, QC, Sample Developing Service And Special Design Service.

Production Ability

Cooperated With Steady Factories Which Qualified With BRAND And ODM/OEM. We Offer Competitive Prices For Customers.

Quality & Service: Our priority has always been providing our clients with great quality products and superior customer service.
Quick Lead Time: We are dedicated to providing the quickest turnaround times and work very hard to ensure that all of your deadlines are met.
Unbeatable Prices: We continuously strive to find ways of reducing our production costs, and passing the savings over to you!
Brand Awareness: The goal of any strong brand is achieve a level of awareness that instills the idea of quality and value into all of your potential customers.
Special Offers: In order to maintain our competitive edge, we are constantly running special offers on our promotion bags.

Applications of Waterproof Backpack 30l

Where to use the waterproof backpack 30l. The waterproof backpack 30l suits a wide range of everyday uses:

Waterproof Backpack 30l for hiking and day trips
Waterproof Backpack 30l for camping and outdoor sports
Waterproof Backpack 30l for travel and weekend getaways
Waterproof Backpack 30l for school and daily commuting
Waterproof Backpack 30l for fishing, kayaking and water activities
Waterproof Backpack 30l for urban exploration and everyday carry
Waterproof Backpack 30l for OEM/ODM custom orders with your own logo and colors

As a professional bag factory, we build the waterproof backpack 30l in bulk with low MOQ and fast lead times. Browse our Dry Bags catalog for more waterproof backpack 30l styles, or read about backpacks on Wikipedia.