The memory foam seat cushion with unique U Shaped cutaway section keeps the back of the spine away from the oppression of the seat, alleviating pressure on the the lower back, hips, tailbone, coccyx and encouraging a good spine position This orthopedic coccyx support seat cushion helps reduce the pain from hemorrhoids, pregnancy back pain, 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 Our soft seat 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 distribution.As the unique wedge shape gently tilts alleviates your peis forward and hip pain,leg pain or back pain when sitting The car seat wedge cushion pad's breathable cover is machine washable and can be easily removed using the zipper for easy cleaning which ensure sanitary.New non slip design prevents the cushion slipping on any surface This wheelchair car seat cushion provides comfort soft sitting for office chair, car seat, patio chair, dining chair, kitchen chair, airplane seat, wheelchair, stadium seat or even on flat surface and outdoor.Small enough to fit in carry or luggage for airplane travel comfort It's a great choice as Birthday, Christmas, New Year and all Holiday to your kids, lover friend, family. Color:gray Product dimension:46.5*37*8 cm Material: Polyester + Memory Cotton NOTE:This cushion is more suitable for autumn and winter. It may a little thick for summer.If 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 Seat Cushion Only the above package content, other products are not included. Note: Light shooting 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.