Donut Seat Cushion Pain Relief Memory Foam Chair Pillow Anti Hemorrhoid Car Office Seat Cushion Massage Tailbone Pillows Features: 1.Made of dense premium comfort foam. Will not flatten out with prolonged use. Will not deflate like inflatable donut cushions. 2.Non-slip bottom ensures the cushion stays in place and will not shift or slide on any surface. 3.Promotes good posture and healthy weight distribution for hours of comfortable sitting. 4.Great for use on any chair, car seat, plane, and wheelchair. 5.Removable velour cover is machine washable for easy cleaning. Description: 1.Condition: Brand New 2.Material: Memory Cotton Polyester 3.Type: male models / female models 4.Size: 44*40*7.6cm/43.5*39.5*6.6cm 5.Color:As picture Conversion: 1inch=2.54cm, 1cm=0.393inches Warm Tip : Please be reminded that due lighting effects, monitors brightness/contrast settings etc, there could be some slight differences in the colour tone of the websites photo and the actual item.Item Measure by hand, it could be 1cm different,your kind understanding will be much appreciated.