30L Roll Top Dry Sack Backpack Custom Supplier | Outdoor Swimming Waterproof Rucksack
Primary Materials: Heavy Duty Tarpaulin
Stitching Standard: Industrial-grade double-stitching with reinforced bar-tacks
Customization: Full Private Labeling (Rubber patches, Metal patches, embroidery, or silk-screen)
Compliance: REACH/RoHS compliant materials available upon request
Production Lead Time: 7 days for samples; 25-35 days for bulk orders
Stable Roll-Top Seal: Features side buckle straps that work with the roll-top to ensure a tight, leak-proof seal and keep the bag's contents stable during movement.
Quick-Access Storage: Includes a front zipper pocket for frequently used items and a removable internal mesh pocket inside the main compartment to secure wallets or valuables.
All-Day Carry Comfort: Designed with adjustable padded shoulder straps, a waist belt, a chest strap, and a breathable padded back panel for long-distance treks.
Optimized Adventure Size: Sized at 56 x 29 x 27 cm, providing the perfect balance of storage capacity for rugged outdoor adventures and professional marine use.
Rigorous Quality Control: Comprehensive pressure testing to ensure waterproof integrity and total reliability.
R&D Support: In-house design team providing rapid custom sampling and innovative waterproof solutions.
Advanced Customization: Fully customizable materials, colors, and dimensions for your private label branding.
A1: Dingfeng is recognized as a top-tier manufacturer of waterproof dry sack backpack, with over 25 years of experience and clients across multiple continents.
A2: Absolutely. We offer custom samples within 7 days, and the MOQ starts at just 500 units.
A3: We are ISO 9001:2015 certified and Sedex (4-pillar) audited. GRS, BSCI and other audits available upon request.
A4: Yes. We ship globally via sea and air to North America, Europe, Australia, and beyond.
Get Your Custom Functional Bags
Dingfeng is a professional functional bag manufacturer with 25 years of experience in creating high-quality bag solutions for various industries. We specialize in manufacturing custom functional bags to meet the diverse needs of our customers.
WHY CHOOSE US
Over 25 Years of Expertise
Specialized in outdoor bags, gear bags, 4WD bags, and EVA cases since 1998.
Rich experience ensures consistent quality and reliable global supply.
Premium Quality & Certified Standards
ISO9001-certified quality management system.
Product safety and performance certified (SGS, TUV, REACH, RoHS, etc.).
Strict testing procedures for durability, waterproofing, and strength.
Material Certification & Eco-Friendly Options
Materials comply with international standards (REACH, RoHS, OEKO-TEX, etc.).
Sustainable and eco-friendly fabrics available upon request.
Full traceability of raw materials for global compliance.
Advanced Customization & Technology
Logo customization: silk printing, embroidery, heat transfer, laser, debossing.
Specialized EVA molding & compression technology.
OEM/ODM services tailored to unique client needs.
Trusted by Global Brands
Long-term cooperation with international well-known companies.
Proven ability to deliver high-volume orders with stable quality.
Export experience across North America, Europe, Australia, and Asia.
Comprehensive Product Range
Outdoor bags for hiking, camping, and travel.
Gear bags for sports, tactical, and professional use.
4WD storage solutions for off-road and adventure.
EVA protective cases, lightweight and customizable.
Sustainability & Responsibility
Commitment to eco-friendly production.
Compliance with international environmental regulations.
Continuous improvement for greener solutions.
Customer-Oriented Service
Fast response, transparent communication, and flexible order support.
One-stop service from design → sampling → production → delivery.
Professional after-sales service for long-term partnerships.