Compressed Foam * White * 15-3/4 x17-3/4 x 4 * Specially designed foam ring relieves pressure on sensitive areas * Molded high compression polyurethane foam affords seating comfort and durability * Enhances the comfort of any seating surface in your home office or in your car * Relieves uncomfortable pressure - especially useful for hemorrhoid sufferers and new mothers * Features a removable washable polycotton cover *