Compessed Foam * Plaid 17.5 x19.5 x2-7/8 * At home in the office or in your car you ll enjoy the unsurpassed comfort and support of our Foam Cushion * Improves seating safety by preventing slipping * Useful for prolonged seating on hard surfaces * Helps maintain an upright sitting position * Made of quality foam for consistent support comfort and durability * Removable cover for easy cleaning *