🛀NON-SLIP BOTTOM: The waterproof cast cover for foot features a non-slip bottom grip design to add extra friction in the shower to avoid slipping. You can shower and bathe at ease. Waterproof Foot Cover for Shower Adult, Foot Cast Covers with Non-Slip Padding Bottom, Watertight Ankle Foot Cast Protector for Surgery Bandage Dressing Wound, Reusable.