This specially designed, orthopedic cushion relieves pressure on your tailbone, coccyx, hips and spine while it helps promote proper sitting posture. Made of high-density foam that won't flatten out, it helps relieve backaches, discomfort, fatigue, numbness and pain. Great for home, car, office, sporting events and more, it features a built-in handle for easy portability. The cover is made of Viscose from Bamboo to keep you cool and comfortable. Water and stain-resistant, the cover is machine washable. Bamboo, foam and polyester. Imported. Approx. 17 1/2"L x 13 3/4"W x 2 3/4"H.