Coccyx Cushion Foam 18 x16 x3 Black Cane Accessories BMI (easy scroll method) * Sterilization BMI (easy scroll method) * Hold Release Zero KG LB Clear Enter functions * Auto Zero 5 minute auto off (AC mode disabled) low battery indicator * Wheels and handle for maximum portability * Updatable firmware * RS232 Output Port * 6 C cell batteries (not included) or 120V AC adapter (included) * Metallic Gray * Weight capacity: 600 lb 272kg * 1 Year Warranty * Specifications Capacity: 600 lb 272 kg Resolution: 0 foot 9 x ankle 14 x rear leg lenght 19 Black * 18 W x 16 D x 3 * Custom sizes available * Optional solid seat inserts available ($8 75 Up Charge) * Relieves pressure at the sacral area while offering patient s comfort and even distribution of weight throughout the cushion * Medium density fire retardant foam is covered in either a poly cotton in your choice of black navy or gray medical grade vinyl Shipping Carton Size: 18 L x 16 W x 5 H