Shower Protection Foot Waterproof Plaster Protection, Plaster Protection Waterproof Leg 1. WITHSTANDING WATER AND MOISTURE: Our waterproof cast cover base membrane gasket is made of high quality medical grade silicone.^2. CERTIFICATION:. Without odor and latex-free. Ideal for at home or in the hospital.^3. FITS THE ADULT FOOT: The waterproof cast bag fits most adult foot sizes. Length up to 11 inches, leg circumference from 2 to 7 inches.^4.SAFETY AND EASY TO USE: The elastic rubber flange does not interrupt blood circulation. No tape or straps required. Easy to put on and take off. ^5. Stretchable Opening Makes Donning Easier: The central hole is stretchable and fits leg diameters from 2 to 7.3 inches