iMagitek Waterproof Dry Bag with Shoulder Strap for Boating, Kayaking, Hiking, Rafting, Snowboarding, Camping, Fishing and Beach (10L, Black) Waterproof and Rip Resistant: It is made of a great industrial grade 500D PVC Tarp with solid stitching and well-sealed seams.So it is very strong waterproof and durable. Easy to Carry Around: The extra detachable shoulder strap that can be adjusted to fit loose or snugly to your body and the lightweight (about 9.17oz) let you be easy to take it Anywhere and Everywhere. Large capacity: The bag is quite large with a 10L capacity and can easily hold clothes,towel,electronics and food with plenty of room to spare. Wide Uses: It's great for all outdoor activities,especially if water is involved. Tubing,whitewater rafting,snorkeling,canoeing and just hanging out at the beach. All in all this bag will save your precious things from getting wet during water involved activities.