Safe & Reusable This upper arm shower cover is Waterproof TPU material. Moisture protection And the inner sleeve of Comfortable and breathable fabric which is durable, washable, latex-free and non-slippery. Safe for useCan use for people who is recovering from injuries, surgeries and skin problems. Using tips Put on the lining and putting sleeve on, bent your arm and lift edge with finger, then press on sleeve to get air out. And It will form a tight seal which does not allow water in. Applicable UserSuitable for most people weighing 45-64kg; upper arm circumference: 19-23cm; lower arm circumference: 16-19cm. Easing WearingUpper arm shower cover high elastic opening makes it easily pull in a non-painful way. will not stick on arm when shower. It can always keep the inner plaster casts or wound dressings dry and arm circulation normal. Put on the liner and cover, bend your arms, lift the edge with your fingers, and press the sleeve to vent the air. It creates a tight seal that does not allow water to enter. Note: 1. Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. 2. Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you! About Shipping: 1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly. 2.All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. 3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 382 hours Hope you have a pleasant shopping experience!