waterproof bag (mobile),2 zippers for waterproof.100% waterproof,different thickness and material for different market waterproof bag (mobile),2 zippers for waterproof.100% waterproof, for outdoor and ... also sell all kinds waterproof bag, pvc waterproof bag, tpu water proof bag for carmera, mp3 and mp4, mobile,and so on.1 ... reference Tied on ARM.Good for the beach,the pool.. (mobile) waterproof bag