BetterBack ErgoSeat is a convenient and versatile lower back support for chairs and can be used when sitting in the car, at home or in the office for prolonged periods of time. Its ergonomic design features a molded wooden frame and high quality foam seat and back cushions for extra comfort. It is designed to ease discomfort and pain associated with back pain by discouraging slouching while keeping the pelvis in alignment and maintaining the spine�s natural position.�BetterBack ErgoSeat includes a removable, height adjustable LumbiPad lumbar support cushion for extra lumbar support. The heavy-duty polysuede fabric cover ensures long lasting durability.