The memory foam cushion with unique U Shaped cutaway section keeps the back of the from the oppression of the , alleviating pressure on the the lower back, hips, tailbone, coccyx and encouraging a good positionThis orthopedic coccyx support cushion helps reduce the from hemorrhoids, pregnancy back , coccyx,sciatica,hips and other bad back spinal problem.Responds to the heat of your body to mold perfectly to the shape of your bottom soft pad foam cushion features an elevated back section to a healthy sitting posture and allows the tailbone and to be balanced for weight distribution.As wedge shape gently tilts alleviates your pelvis forward and hip ,leg or back when sittingThe car wedge cushion pad's breathable cover is machine washable and can be removed using the zipper for easy cleaning which sanitary.New non prevents the cushion slipping on any surfaceThis wheelchair car cushion provides comfort soft sitting for office chair, car , , dining chair, kitchen chair, airplane , wheelchair, stadium or even on flat surface and outdoor.Small enough to fit in carry or luggage for airplane travel comfortIt's a great as Birthday, Christmas, New Year and all Holiday to your kids, lover friend, family.Color:gray Product dimension:46.5*37*8 cmMaterial: Polyester + Memory CottonNOTE:This cushion is more suitable for autumn and winter. It may a little thick for summer.If you to use it in summer,you could place a gauzy icy pad on it,which will make you feel more comfortable.Package included:1 x CushionOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.