Cover waterproof (water resistant) which is used to protect plaster casts and other dressings medical, taking a shower or a bath. The protective cover ensures that the dressing and/or wound remains dry and avoids the formation of fungi (diseases mycotic) as well as the deterioration of the skin as a result of the moisture trapped under the dressing/plaster. Was put in the middle of a plastic ring that hugs the arm, the leg or the hand. Reusable. Does not contain latex.