Ergonomic donut hollow design reduces direct compression on tailbone during prolonged sitting hours. High density memory foam slowly rebounds to fit body curve and evenly disperse hip pressure. Soft supportive construction eases coccyx discomfort caused by long-time desk and vehicle seating. Breathable outer cover boosts sitting comfort and can be detached for regular cleaning work. Portable lightweight build suits office chairs, car seats and home daily long-sitting scenarios. | NESTLUNE Memory Foam Donut Ring Cushion Orthopedic Coccyx Pain in Grey | Size: 100 cm x 190 cm