Bikda is one of China's leading waterproof backpack brands, specializing in durable and multifunctional waterproof bags for outdoor enthusiasts. Since our establishment in 2007, we have been committed to developing top-tier waterproof backpacks with life-saving features for adventure sports. For instance, our Inflatable SUP Backpack is designed specifically for outdoor sports enthusiasts. Made from high-quality TPU and waterproof nylon materials, this backpack offers military-grade waterproof performance and exceptional durability. Additionally, it features an inflatable airbag that can serve as an auxiliary life-saving device in certain situations, enhancing safety during outdoor activities. It is particularly well-suited for SUP, mountaineering, and other adventurous sports.