TravelMate Large Medium-FIRM Wellness Seat Cushion (Size: 17 x 13 x 3 inches. Color: Grey) Every product comes with the trademark TravelMate on its packaging The combination of a layer of memory foam on top of a furniture-graded foam provides enhanced comfort and durability Fits most bucket seats Features zippered, washable cover with built-in carry handle Cutout section suspends the tailbone, providing relief for the coccyx/tailbone area