Leg cast cover is a convenient way of protecting casts, dressings & bandages against water exposure showering. your skin stays clean and dry. Protected beneath a dry cast or bandage, the skin is far less susceptible to infection, and your body can continue the healing process uninterrupted. Leg cast cover is designed to keep the foot dry and hygienic during regular showering or bathing. While a strong, polyvinyl cover protects the cast or dressing from moisture, a specially designed seal above the ankle keeps water out of the cover.