LOCK WATER AND MOISTURE: Our protective foot shower is made of high quality medical grade silicone. The tight elastic rubber and hard-to-tear material is what keeps the cast and bandage dry during bathing, showering, or other water activities FDA CERTIFICATION: The leg cast protector is approved by the FDA and CE. No smell and latex free. Ideal ankle cast boot for home or professional use when you need to recover from wounds, rashes, burns, wounds and scratches FITS MOST LEGS OR SKINS ADULT BOOTS: Shower and bath protectors fit the leg size of most adults. Length up to 24 inches, circumference ranges from 2 to 7 inches. The large diameter is convenient for free movement. Can also cover finger, wrist and hand SAFE AND EASY TO USE: The elastic rubber flange will not cut off blood circulation. And the cast sleeve can easily slide over the leg cast. When wearing foot cast protectors, no tape or belt is needed. Easy to put on / take off without worrying about tearing the coverqa