Quality Assured---Avoid sharp objects when using, if you have any problems with our waterproof shower sleeve for picc line, please feel free to contact us, we will reply to you soon. Fits for Most Adults Size ---The waterproof PICC line covers for upper arm is designed for Adults, stretchable hole fits for most Adults man or woman arm.Arm cast length/width: 15.7"*7"(40cm*18cm), the widest part is 11"(28cm). L Size fits for arm circumference: 11.8" to 20.8" (30cm to 53cm).MUST MEASURE YOUR ARM SIZE BEFORE ORDER. Reusable and Durable---Soft Medical Grade TPU material, latex-free, no stimulation to the skin. High-quality material makes the PICC shower sleeve reusable for a long time and not easy to aging. After each use, only need to hang it to dry. Easy to Put On and Off---The PICC line shower cover adopts a high-elastic soft material, you can easily pull on and off. The center opening hole is stretchable, better fits your arm size, won't feel painful, keep blood circulation. Ideal for adults men or women who are recovering from arm injuries, surgeries, accidents, or chemotherapy. Soft Comfortable Watertight Seal---The waterproof sealing material of PICC line shower cover upper arm is made of high-elastic neoprene composite fabric(the same as the wetsuit fabric), which is fully waterproof, more elastic, very soft, and won't tear. PICC line sleeve can help to keep IV & PICC, bandages, wound dry when taking a shower or bath.