Hollow donut-shaped design keeps pressure away from tailbone to ease sitting discomfort caused by coccyx soreness. Adjustable inner air volume allows users to customize cushion firmness for personalised comfortable support. Light inflatable build folds compactly for easy transport to office, car or travel trips. Smooth outer surface fits most regular chairs for long-time sitting pain relief in daily life. | NESTLUNE Inflatable Donut Orthopaedic Cushion Coccyx Pain in Grey | Size: 100 cm x 190 cm