The memory foam cushion with unique U Shaped cutaway section keeps the back of the spine from the oppression of the , alleviating pressure on the the lower back, hips, tailbone, coccyx and encouraging a good spine positionThis orthopedic coccyx support cushion helps reduce the pain from hemorrhoids, pregnancy back pain, coccyx,sciatica,hips and other bad back spinal problemResponds to the heat of your body to mold perfectly to the shape of your bottomOur soft pad foam cushion features an elevated back section to promote a healthy sitting posture and allows the tailbone and spine to be balanced for weight distributionAs the unique wedge shape gently tilts alleviates your pelvis forward and hip pain,leg pain or back pain when sittingThe car wedge cushion pad's breathable cover is machine washable and can be easily removed using the zipper for easy cleaning which sanitaryNew non slip design prevents the cushion slipping on any surfaceThis wheelchair car cushion provides comfort soft sitting for office chair, car , patio chair, dining chair, kitchen chair, airplane , wheelchair, stadium or even on flat surface and outdoorSmall enough to fit in carry or luggage for airplane travel comfortIt's a great choice as Birthday, Christmas, New Year and all Holiday to your kids, lover friend, family.Color:gray Product dimension:465*37*8 cmMaterial: Polyester + Memory CottonNOTE:This cushion is more suitable for autumn and winter. It may a little thick for summerIf you want 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 picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.