1WASHABLE DESIGN: Arm cast cover can be cleaning for many times, repeated use and high sealing performance of medical thermoplastic elasticity. 2KEEP WOUND DRY: Designed to keep your bandages and wounds dry, allowing it to heal faster, more effectively and with less risk of reinjurying. 3ELASTIC OPENING: No buckle ring and adopts high elastic opening seal, so that arm cast bandage protector can be easily put on and off in a painless way. 4WATERPROOF: Reusable arm cast protector enables you to keep bandages and injured parts dry in the shower to cope with hand wounds, injuries and operations. 5PVC: Cast bandage protector bag is designed with PVC material, Lighter, waterproof and moisture proof,asy to use, and shrink at will to prevent falling off.