... ), memory foam (inside), polyster(back) Massage Seat Topper with Soothing Heat,heat massage cushionSojoy item No.: SJ180R001 ... 1 pc heater relax waist*Smart IC controller with 8 buttons, 6 for massage adjust ,1 ... pulsating, tapping, kneading and rolling*Includes a pillow with soft memory foam*3 vibration intensity: high/mid ... off after 15 minutes Massage Seat Topper with Soothing Heat,heat massage cushion