Sonic welded waterproof backpack 30L in Tarpaulin – roll-top dry bag protection for hiking, travel & kayaking. Padded comfort, custom OEM/ODM. Skysoar
Sonic Welded Dry Bag Backpack 30L | Tarpaulin Waterproof Daypack for Commuting, Outdoor, Adventure
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.: SK50065
- Item Category: Waterproof Backpack
- Logo: Skysoar or Customized
- Color: Red or Customized
- Main Material: Tarpaulin
- Size: As the picture shows or Customized
- Capacity: Customized
- OEM / ODM: OEM
- 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 Dry Bag Backpack 30L
- Sonic Welded Seams – No Needle Holes
- Waterproof Roll-Top or Zipper Closure
- Padded Shoulder Straps & Back Panel
- Tear-Resistant Tarpaulin Construction
- Lightweight, Ergonomic Carry
- Custom Colors, Capacity & Logo (OEM/ODM)
Product Highlights
Sonic Welded Dry Bag Backpack 30L
- Welded Waterproof Construction: High-frequency RF welding bonds the Tarpaulin 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.
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 18 mass production lines and 480 skilled workers, our monthly output reaches 400,000 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.
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