Dry Bag Material Manufacturer China – Premium Waterproof Dry Bag Fabric Supplier | DERFLEX
DERFLEX is a leading dry bag material manufacturer in China, specializing in high-performance PVC dry bag fabric, TPU dry bag material, roll-top waterproof bag fabrics, ultralight dry sack materials, and custom OEM/ODM waterproof solutions for global brands. With 20+ years of industrial coated fabric experience, DERFLEX provides durable, eco-friendly, and export-grade waterproof materials widely used for outdoor sports, marine equipment, kayaking, rafting, camping gear, and travel protection.
Leading Dry Bag Material Manufacturer in China
Dry bags require strong waterproof, anti-abrasion, and UV-resistant performance. DERFLEX has been manufacturing industrial-grade coated fabrics since 2001, supplying factories worldwide with stable, consistent, and high-quality dry bag materials. Our products meet global standards, including REACH, RoHS, EN71, ASTM, and ISO9001.
Whether you're producing commercial dry bags, outdoor waterproof sacks, tactical military dry bags, or promotional dry bags, DERFLEX provides customized fabric solutions with competitive pricing and fast production capacity.
Types of Dry Bag Materials We Manufacture
DERFLEX provides multiple waterproof materials suitable for roll-top dry bags, compression sacks, and professional outdoor waterproof backpacks.
1. PVC Dry Bag Material (Standard & Heavy Duty)
- 100% waterproof welded seam compatibility
- High-frequency welding / heat sealing friendly
- Excellent tear strength & abrasion resistance
- Color and embossing customizable
2. TPU Dry Bag Material (Premium & Eco-friendly)
- Stronger, lighter, more flexible than PVC
- Low-temperature performance: -40°C
- Food-grade, odor-free options available
- High stretch and excellent transparency for windows
3. Nylon + TPU Laminate Material
- Super lightweight for hiking dry sacks
- Excellent tensile strength
- Ideal for outdoor and mountaineering brands
4. Oxford Fabric + PVC / TPU Coating
- Cost-effective backpack and bag fabric
- Multiple deniers: 210D / 420D / 600D / 1000D
- Popular for budget dry bags & promotional bags
5. Tarpaulin Material for Large Dry Bags
- Super heavy duty 500gsm–1500gsm
- Used in kayak gear, marine storage, and rafting equipment
DERFLEX Dry Bag Material Technical Specifications
| Material Type | Weight (gsm) | Thickness | Waterproof Level | Features | Applications |
|---|---|---|---|---|---|
| PVC Dry Bag Material | 420–1000gsm | 0.35–0.9mm | IPX6–IPX7 | Durable, cost-effective, weldable | Standard dry bags, waterproof backpacks |
| TPU Film + Fabric | 200–600gsm | 0.2–0.6mm | IPX7–IPX8 | High elasticity, eco-friendly, odorless | Premium dry bags, transparent windows |
| Nylon + TPU Laminate | 70D–420D | 0.1–0.35mm | IPX7 | Ultralight, high tensile strength | Hiking compression sacks |
| Oxford Fabric + PVC | 210–600gsm | 0.18–0.45mm | IPX4–IPX6 | Budget friendly, colorful | Promotional dry bags |
| PVC Tarpaulin | 500–1500gsm | 0.45–1.5mm | IPX6 | Super heavy duty | Marine dry bags & storage |
Applications of DERFLEX Dry Bag Materials
Our waterproof fabrics are widely used by global outdoor gear factories, marine manufacturers, and sports brands.
- Kayaking / Rafting dry bags
- Outdoor hiking compression sacks
- Motorcycle waterproof bags
- Marine equipment protection bags
- Waterproof backpacks and duffel bags
- Tactical military waterproof bags
- Promotional and custom-printed dry bags
Why DERFLEX is the Best Dry Bag Material Manufacturer in China
✔ 20+ Years of Coated Fabric Manufacturing Experience
DERFLEX has supplied waterproof materials since 2001, serving 1000+ global brands.
✔ OEM / ODM Custom Production for Global Brands
- Custom color
- Custom thickness
- Surface embossing patterns
- Logo printing & fabric pre-printing
- Anti-UV / anti-cold / anti-fungus options
✔ Advanced Production Equipment
- Calendering production lines
- Lamination machines
- High-precision coating lines
- Digital color-matching center
✔ High Welding Compatibility
Compatible with heat sealing, RF-welding, high-frequency welding, and ultrasonic welding.
✔ Global Export Experience
DERFLEX exports to 100+ countries including the USA, Germany, UK, Japan, Australia, Thailand, and Brazil.
Custom Production & OEM Services
DERFLEX supports small-batch and large-scale production. Customizable options include:
- Material type (PVC / TPU / laminated fabric)
- Thickness and weight
- Color, transparency
- Embossing texture
- Logo and pattern printing
- Special performance: FR, cold-resistant, UV-resistant
How to Order Dry Bag Material from DERFLEX
- Send your requirement or sample bag
- DERFLEX recommends suitable fabric
- Free sample provided (on request)
- Confirm color, thickness & coating
- Mass production (7–15 days)
- Export packaging and shipping
Frequently Asked Questions (FAQ)
1. What is the best material for dry bags?
PVC is best for durability, while TPU is ideal for premium lightweight waterproof bags.
2. Can DERFLEX customize color and thickness?
Yes, full customization is available for all materials.
3. Do you offer samples?
Yes, free samples can be provided depending on material type.
4. What thickness is commonly used for dry bags?
PVC: 0.4–0.7mm / TPU: 0.2–0.5mm / Nylon TPU: 70D–210D.
5. Do your materials support high-frequency welding?
All DERFLEX dry bag materials are compatible with HF welding.




