Size Chart: For Upper Arm Circumference: 9.4 to 11.8 inch (24 to 30 cm) Item stretch size: 14(L) x 8(W) inch Still feel annoyed and inconvenient that cannnot pull the shower over the PICC Line by yourself Choose our new strong elasticity arm picc line shower cover, you can take the cover on by yourself without others' help. Still feel worried that some protected covers are too tight and may cut the blood circulation. Causes a deep and painful 'dents' on your skin Choose our New TPU shower cover. Order with a correct size. Snug and comfortable material provides you a pleg shower experience. Still afraid that the cover may too stuffy, and easy to sweat to cause infection Choose our medical grade cast cover shower. odorless and tasteless. Breathable material. No stuffy and tight feeling. New TPU Waterproof PICC Line Shower Cover: 1.100% waterproof material. Keep bandage and PICC Line dry. Can be completely submerged by water. 2.Odorless and tasteless. Safe for use. 3. Snug and Comfortable Opening. Reduce dragging on PICC Line and bandages when fitting and removing. Keep the blood circulation. 4.High quality PVC, polypropylene and durable medical grade rubber that wont rip or tear. 5.Recommend for chemotherapy showering, bathing or when recovering from injuries, surgeries, accidents or medical conditions such as rashes, burns, skin problems, wounds & scratches. Please Notice: This PICC Line shower cover cannot be used in the swmming pool. For indoor use only. We don't recommend swim or lying in a bath tub with this PICC Line shower protector take on. Suit for general shower