Metronome Battery Operated W Analog Dial Input Surgical Shoes Cover is machine washable * Waterproof backing prevents strikethrough Cover is machine washable * Repairable: The flame resistant black neoprene (not made with natural rubber latex) cushion can be patched to extend its use * This cushion is most effective for individuals who: * Have a history of skin soft tissue breakdown and or any stage pressure ulcer (including deep tissue injury) skin grafts and or myocutananeous flap surgery * Currently have skin soft tissue breakdown and or any stage pressure ulcer (including deep tissue injury) * Be at risk for skin soft tissue breakdown and or deep tissue injury * Have normal or impaired sensation * Require accommodation of pelvic asymmetry up to approximately 1in 2 5 D x 18 W x 25 H * Width between arms: 17 * Requires 9V battery Dimensions: 6 x 1 x 3 Weight: 0