1. Material: PVC tarpaulin <br>2. Volume: 30L <br>3. Usage size: 250x540mm, flat size: 390x690mm <br>4. It can be rolled or folded for saving space when not in use <br>5. This waterproof barrel bag is ideal for river rafting, boating, sailing, swimming, and fishing, hiking, cycling,canoeing,kayaking,camping, etc <br>6. Never worry about your bag dropping it in water or water getting in.It can provide the best waterproof performance<br>