Quadtro Select ¯ Cushion Cushion 16 x 18 x 3.25 Rollator Parts Accessories 2¾ inch Flange Exercise Balls 2¾ inch Flange 200 milligrams of calcium MID PROFILE 3 HIGH * 16 x 18 * Customized fit through the simple push of a knob * The revolutionary ISOFLO© Memory ControlTM offers shape fitting capabilities while the user is seated allowing quick and easy on demand adjustment to maximize function * The QUADTRO SELECT Cushion allows for quick simple position selection for every user while seated * Stability is enhanced by locking the air into place in each of the four quadrants * Easy to handle and carry at just 3 8 Lbs * Separated air cells allow air circulation to reach the surface of the skin and provide a cooling environment * Includes QUADTRO SELECT Cushion two way stretch cover hand inflation pump repair kit and operating instructions * 36 Month Limited Warranty * HCPC Code K0736