Easily change position, reduce the risk of pressure sore; bed exercise assist, reduce the risk of muscle atrophy; reduce the difficulty of excretion care, reduce the burden on the family. Removable Pillow Cover: They are removable and washable for easy care. Applicable Groups:the elderly, bedridden patients, handicap, lower limb fracture patients, due to surgery those who could not move but stay in bed for rest. Easy To Use:put the upper part of the knee into the two grooves of the turning device,which can be easily pulled by two handles, help the elderly turn over. turning aide can be operated by a single person, reduce the burden on family members. Material: the bottom is high-density foam that will not deform,soft u-shaped groove fits the leg better, can avoid harm or discomfort in the legs. Size Chart: Size: approx. 48x36.5cm/18.89x14.37inch Package Includes: 1 Piece Pillow