1. Durable Material: The waterproof bag is made of thick, wearresistant PVC material, providing a stronger and more durable waterproof construction. Abrasionresistant for longlasting use. A waterproof bag is wellsuited for various weather conditions and environments. 2. Versatile Use: Its waterproof performance, durability, and practical design make it a reliable companion for outdoor sports, suitable for various occasions such as boating, rafting, kayaking, hiking, camping, fishing, mountaineering, etc. 3. Key Features: Each bag comes with a whistle, offering comprehensive protection for your safe travels. The outdoor bags also feature an adjustable shoulder strap, making them convenient for onthego use. The lightweight dry bag won't burden your arms or shoulders. 4. Package Contents: Color: Sky Blue Camouflage; Material: PVC; Size: 20L; Flat dimensions: 57 x 38 cm (L x W); Bottom diameter: 24 cm; Shoulder strap width: 3.8 cm; Adjustable shoulder strap: 55 100 cm; Package includes: 1 x waterproof bag.