Quantity 1 piece(s) Type Pillow Material Neoprene gridding cloth Color Black Function Universal Other Features Elastic bands stretch to fit most standard-sized desk chairs; Easily attaches to any chair to reduce back tension that provides a lumbar curve for your lower back; This lightweight support gently cradles your back and encourages correct posture; Ergonomic design gives firm and comfortable support while breathable mesh material circulates air to keep you cool; Mesh fabric allows airflow for your personal comfort gently conforms to your body's contours for uniform support; Fills the gap where your lower back arches into the chairs void; Perfect for long hours of sitting while traveling working watching television sewing reading and more; Great for the office home and car Packing List 1 x Waist support