Conquer extreme adventures with the Waterproof Back Pack (20L) - WBP320, featuring heavy-duty 2-layer waterproof PVC construction that delivers maximum protection for extended outdoor expeditions. This premium 20-liter capacity offers the ultimate storage solution for multi-day trips, allowing you to pack clothing, camping gear, electronics, food supplies, and essential equipment while guaranteeing complete waterproof security. The extra-tall design maximizes vertical storage efficiency, perfect for serious outdoor enthusiasts who demand professional-grade waterproof performance. Available in 3 rugged colours designed for outdoor environments, customize with silkscreen printing or DTF printing to create distinctive adventure gear or corporate expedition merchandise. Reinforced PVC construction withstands the harshest marine and outdoor conditions while maintaining lightweight portability. Ergonomic backpack straps ensure comfortable carrying even when fully loaded. The ultimate choice for expedition kayakers, multi-day hikers, sailing enthusiasts, adventure travelers, or professional outdoor guides requiring uncompromising waterproof capacity and reliability.