Tenderlift Cushion Riser... An easily operated, electric riser cushion that fits most chairs and wheelchairs, giving an alternative to riser chairs. A simple button control handset allows the user to raise, lower and stop the cushion at an angle to suit them. It is easy to use, even for those with little or no upper body strength. The cushion is portable, making it easy to move from room to room or chair to chair. The outer fleece cover is removable for washing. Maximum User Weight: 40 Stone (254 kg).