Description
Technical Parameters

Built for water, travel, and demanding outdoor conditions, the Waterproof Swimming Survival Backpack combines durable TPU construction, a waterproof airtight closure system, and an inflatable/deflatable side air valve in one streamlined design. It helps keep essential gear protected in wet environments while the auxiliary flotation structure adds extra functionality for swimming and water sports. Comfortable shoulder straps, organized interior storage, and multiple customization options make it ideal for outdoor brands, water-sports brands, and private-label programs.
Contact FENGLINWAN today to create your custom waterproof backpack solution.
Product Specifications
|
Specification |
Details |
|
Product Name |
Waterproof Swimming Survival Backpack |
|
Material |
TPU |
|
Reference Size |
30 × 14.5 × 46.5 cm |
|
Capacity Options |
20L / 25L |
|
Color Options |
Black, Blue, Green, Orange, Gray and Custom Colors |
|
Closure |
Waterproof / Airtight Zipper |
|
Net Weight |
Approx. 0.75 kg/pc |
|
MOQ |
500 pcs |
|
Sample Time |
Approx. 8 days |
|
Production Lead Time |
Approx. 40–45 days |
|
Packing |
6 pcs/carton |
Product Features

Waterproof TPU Construction
Made from durable TPU material, this waterproof backpack is designed for wet and humid environments. The smooth exterior is easy to clean and provides reliable protection for clothing, electronics, personal items, and outdoor gear.
Airtight Zipper Protection
The main compartment uses an airtight waterproof zipper to reduce the risk of water entering through the opening. It is especially suitable for swimming, boating, fishing, rainy-weather travel, and other water-related activities.
Inflatable & Deflatable Air Valve
A side-mounted air valve allows the backpack to be inflated or deflated as needed. This design provides an auxiliary flotation function, adding another layer of practicality for water-sports and swimming applications.
Comfortable Ergonomic Carry
The backpack is designed with ergonomic shoulder straps and supportive carrying components for improved stability during outdoor movement. It is suitable for hiking, climbing, walking, commuting, and active water-sports use.
Organized Interior Storage
Internal compartments help separate laptops, tablets, documents, clothing, and smaller accessories, allowing users to keep essentials organized while traveling or participating in outdoor activities.
Clean, Brand-Ready Design
The minimalist rounded silhouette provides a modern outdoor look with a large front surface suitable for private-label logos and brand customization.
Product Applications

- Swimming & Water Sports: Ideal for carrying towels, clothing, phones, and personal gear around pools, beaches, and open water.
- Boating & Kayaking: Helps protect equipment from splashes and wet marine environments.
- Fishing: Suitable for storing clothing, electronics, accessories, and other moisture-sensitive items.
- Hiking & Camping: A practical waterproof backpack for trails, riverside camping, and changing weather.
- Travel & Commuting: Useful for rainy-day commuting, coastal travel, and humid environments.
- Outdoor Adventure: Suitable for trekking, creek hiking, paddling, and other activities where waterproof storage matters.
Customization Options & Services
FENGLINWAN supports OEM and ODM programs for outdoor, waterproof-equipment, and water-sports brands.
- Custom Colors: Choose standard or brand-specific colors.
- Custom Logo: Add printed, embossed, or other suitable branding solutions.
- Capacity & Size: Develop different size and capacity configurations according to project requirements.
- Material & Components: Customize TPU materials, zipper solutions, straps, buckles, and accessories.
- Functional Structure: Modify interior organization, carrying systems, and functional details.
- Private Label Packaging: Custom hang tags, stickers, poly bags, cartons, and retail packaging are available.
Send us your design, reference sample, or product requirements to start your OEM/ODM project.

FAQ
Q: Is a TPU backpack waterproof?
A: TPU is widely used for high-waterproof-performance bags. Combined with sealed construction and waterproof or airtight zippers, it is well suited to wet outdoor environments.
Q: Can this waterproof backpack float?
A: The backpack includes an inflatable air-valve structure designed to provide auxiliary flotation. It should not be treated as a certified replacement for a life jacket or personal flotation device.
Q: Can I use this backpack while swimming?
A: Yes. It is designed for swimming, water sports, boating, fishing, and other wet-environment applications.
Q: What capacity is available?
A: The product is available in approximately 20L and 25L configurations, depending on the selected version.
Q: What is the MOQ for custom orders?
A: The standard MOQ is 500 pieces for bulk orders.
Q: Can I order a sample before mass production?
A: Yes. Sample production is available, with a typical sample time of approximately 8 days.
Q: What is the production lead time?
A: The typical production lead time is approximately 40–45 days, depending on quantity and customization requirements.
Q: Can I customize the logo and color?
A: Yes. FENGLINWAN supports custom logos, colors, materials, accessories, and private-label branding.
Q: Do you provide OEM and ODM services?
A: Yes. We can manufacture from your existing drawings or samples, modify an existing design, or support new product development.
Q: Can you provide customized packaging?
A: Yes. Hang tags, stickers, poly bags, cartons, and other packaging solutions can be customized for your brand.
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