Ideal for those who spend long periods of time seated.This lightweight leg rest positions the legs in a slight bent position which helps to alleviate back and knee discomfort.The knees can be placed in a bent or extended position depending on the position of the rest. As a footrest, it is a comfortable way for readjusting the seating position of the user to reduce the risk of pressure sores and possible back pain. The surface is made from a soft, durable plastic that can be adjusted for firmness by releasing air from the air valve. Can be cleaned with a damp cloth. Size: 508 x 380 x 127mm (20 x 15 x 5")Weight 2.7kg.