Keep the Wound Dry: The covers upper arm is made of high quality PVC material, which is soft, no stimulation to the skin, easy to accommodate most size plasters, bandages, dressings for wounds, this dressing cover shower can be used for injuries, surgery, cuts, rashes, burns, skin problems, wounds and scratches and other medical conditions to keep the wound dry when showering or bathing. . Newly upgraded: Soft and elastic sealing material which effectively solves the problem of easy cracking of the seal, while ensuring that waterproof cover have better elasticity and comfortable, and provide better waterproof effect. The pressure at the seal is very low to maintain good blood circulation. .Convenience: Easy to put on and off, this covers waterproof for shower have no retaining ring, Soft and snug material makes this waterproof cast cover arm easily pull on and off in a non-painful way, solving your troubles of putting on and taking off. .Safe: This covers upper arm for showering has obtained FDA registration and CE certification, washable medically safe materials. Non-irritating to the skin, this cast protectors can be reused. .Listen to Customers' Suggestions: Please feel free to contact us if you have any good ideas or better upgrade suggestions during use this covers upper arm, in order to provide better plaster cast waterproof cover arm, we are willing to listen to and value the voice of every customer. .