1.Waterproof 2.Useful 3.Convenient 4.Durable 1. Brand new & high ... , anti-pull, buffer and a good protection function.3. Water proofs up to 10 meters deep water.4 ... functions, and prevent from damaging and breaking.6. Suitable for camping, boating, fishing, tubing, swimming or any other ... time (5 hours )· Used for sea beach, water sport ,swimming ,floating game and so on . Waterproof bag for First-aid