Description: Premium Material: This waterproof bag is made of PVC mesh cloth, which offers strong waterproof performance to keep your belongings dry at all times.Versatile Use: Ideal for various outdoor activities such as drifting, swimming, creek tracing, and outdoor traveling. It's a must have for any adventure enthusiast.Features: This waterproof bag features an adjustable shoulder strap connection for carrying heavy items, making your travels more comfortable and effortless.Advanced Seaming Technology: The bag adopts professional waterproof craftsmanship and new seaming technology that ensures no water or air leakage, providing you with convenience.Ample Storage Space: With its spacious interior, this backpack can accommodate all your mountain climbing and camping essentials. Each package includes 1 piece of this multifunctional waterproof backpack. Specification: Material: PVC Size Chart: Usable Size 36cmx57cm/14.17inchx22.44inch, Flat Size 36cmx69cm/14.17inchx27.17inch Package Includes: 1 Waterproof Dry Bag Note: Please allow slightly errors 1-2cm differences due to manual measurement.