Precise details:Features:1. 0.52mm 500D Netted PVC material, very durable and safe.2. Unique water-waterproof overlap roll top provides the best-in-class waterproof performance.3. Hot pressing process bottom, extremely wear-resisting.4. It can be rolled or folded for when not in use.5. Best for river rafting, boating, sailing, swimming, and fishing, hiking, cycling, canoeing, kayaking, camping, etc.6. Works as storage bag or auxiliary floating life preserver bag. Specification:Main Material:0.52mm 500D Netted PVC (Waterproof Tarpaulin)IP Grade:IPX5Capacity:15LWeight:240GSize:23.5x50Package Size:28×0.5x41cmColor:Milk White, Sky Blue, Yellow Green, Orange Caution:1. Do not immerse it totally in water, cos it`s just for basic outdoor waterproof!2. When using valuable article, please cover them with another layer of waterproof bag.