Simple to use: 1. Put your wallet, money, clothes, cell phone and keys etc. in the dry bag 2. Fold the edge opening 3-5 times 3. Lock the buckle at the top of the bag 100% waterproof backpackReliable Protection - Meant to last for years. Made from durable, heavy-duty 500D PVC tarpaulin. Great for even the most rugged useBackpack Strap - Comes with a adjustable backpack strap for easy comfortable carrying especially when carrying over long distancesMesh Sides & Easy Access Front Pocket is a perfect place to store your already waterproof accessories, wet swimwear or gloves. Carry up to two water bottles without sacrificing space in your pack.Great for Boating / Kayaking / Fishing / Rafting / Camping / Canoeing / SnowboardingFront pocket is not 100% waterproof.