Why choose our waterproof arm cast cover: Made of high-quality elastic thermoplastic with a high sealing for medical purposes, odorless and latex-free. The elastic and thick neoprene opening does not interfere with blood circulation and is easy to open or remove. Can be used for showering, bathing or outdoor activities when recovering from injuries, surgeries, accidents,or when suffering from medical conditions such as cuts, rashes, burns, skin problems, wounds & scratches. Features: 1. No oppressed and stuffy feeling to your arm. Provide you a pleg shower experience. 2. Can adjust the shower cover easily and will not restrict the blood flow. Much easier to use than shower bandage & cast protector where you put your arm through a hole in a rubber or silicone diaphragm. We Offer A 100% Money Back Guarantee: 1. If your not 100% happy with it, ship it back and we will refund your money 2. If you don't love it, ship it back and we will refund your money 3. If the product breaks or is damaged, ship it back and we will replace it for FREE Note: 1. Please do not reuse if the protector is soiled internally or damaged 2. Please control the wear time within 30 minutes to prevent cutting blood circulation 3. We don't recommend swim or lying in a bath tub with this waterproof cast cover take on. Suit for general shower or bathe. 4. Keep out of reach of children unless under adult supervision Package Include: 1*Arm Cast Cover 1* use manualMake Sure You Love it and Guarantee:If anything is missing or any problems with the waterproof cast cover you received, please feel free to contact us, we would be happy to help you solve the problem. Adult Size: for upper arm circumference between 6.5" to 14.37" (165mm to 365mm).entrance diameter is 1.54 ''. The hole use the baggy design was intentional to make sure one size fits all customer requirements. Easy To Use: Elastic soft opening easy to put on and take off . It will not cut off blood circulation. Self-sealing, high elasticity opening hole makes this waterproof cast shower cover easy to pull on and off in a non-painful way. Good for slim and thick arms without worrying about cover tear up. Safe And Water-Repellent: Made of high-quality elastic thermoplastic with a high sealing for medical purposes, odorless and latex-free. The elastic and thick neoprene opening does not interfere with blood circulation and is easy to open or remove. Can be used for showering, bathing or outdoor activities when recovering from injuries, surgeries, accidents,or when suffering from medical conditions such as cuts, rashes, burns, skin problems, wounds & scratches. Neoprene Ring+ PVC material,soft and snug material makes this waterproof cast cover easily pull on and off in a non-painful way, keep blood circulation.