LifeSport Waterproof Bags Cell Phone Dry Bag Case for Boating,Kayaking.Swimming,Travel in 7 Colors Premium Clamp Lanyard and Universal Waterproof case with pvc material OUR LOCK SEAL is easy-to-use and secure against the elements. Flexibility -Give your protection in beach, fishing, swimming, boating,kayaking, snorkeling and water park activities. Case is two sides transparent and ultra-thin tactility. You can do a test with paper towel first to make sure the waterproof seal was working.Lifetime Guarantee and certified Waterproof up tp 100ft.