Curad Adult Arm Cast And Bandage Protector helps keep casts, bandages, or wounds dry while showering. It creates a secure tight seal that won’t cut off circulation. This protector has a specially designed opening that stretches to fit over the cast and then returns to its original shape to fit snugly against the arm. Fits most adults 5' to 6' 3". It is easy one handed application with no need for tape or straps. The unique opening stretches to fit over the cast and then regains its original shape to fit tightly. It is reusable one.