The beach bag make by waterproof material.You can ... carry this small pouch on your hand or arm Beach Bag1) Material: Polyester or Nylon with PVC coating ... Color: optional5) Purpose: when you playing at sand beach you can put your mobile phones,MP4 etc inside it ... all kinds of bags,such shopping bags,non-woven bags,cotton bags,tote bags,duffel bags,travel bags,sport bags and waterproof bags etc.Pls feel ...