for carry around.3) Made of powerful pvc and abs material which is 10 times stronger than cheaper vinyi versions.4) Seals out water, sand and dust for above surface use.5) Allow to view mobile screen while still in water. 6) Used for beach, pool, boating, paddling, fishing, surfing, swimming, diving and any other outdoor sports.7) Floats on water surface. 8) With professional and experienced team