Backrest features high-density, memory foam for comfortable support that conforms to your body. Ergonomic design supports your spine and lower lumbar region to relieve back pain and tension. Plus, it helps you maintain a healthy posture. Adjustable strap secures the backrest to the chair to keep it securely positioned. Washable fabric cover can be removed for easy cleanings.Backrest features high-density, memory foam for comfortable support that conforms to your body. Ergonomic design supports your spine and lower lumbar region to relieve back pain and tension. Plus, it helps you maintain a healthy posture. Adjustable strap secures the backrest to the chair to keep it securely positioned. Washable fabric cover can be removed for easy cleanings.