Used for swimming ,diving ,surfing ,beach,pool, boating,padding,fishing (Prevent againest water ,sand ... GPRS, PDAS and so on3.Great for traveling, hiking,at the beach, boating,and many more water field activities. All type ... be up to underwater 20m ,It is fun with waterproof diving bag underwater that you can keep underwater vision ... It's ... us . TPU waterproof bag for video camera in swimming diving