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. Reliable Protection - Meant to last for years. Made from durable, heavy-duty 500D PVC tarpaulin. Great for even the most rugged use. Shoulder Strap - Comes with a adjustable shoulder strap for easy carrying especially when carrying over long distances. Clear phone pocket - Place your phone inside the waterproof phone pocket and use your phone while still in the bag safe and dry.. Great for Boating / Kayaking / Fishing / Rafting / Camping / Canoeing / Snowboarding