Seat Wedge Cushion with Blue Washable Cover Our extra dense foam wedge cushion works well as a car cushion or chair seat cushion to boost your seating position and increase seating comfort. This car seat cushion helps reduce neck strain as you look out over your steering wheel. Extra dense foam improves your sitting posture so long drives are more comfortable. Evens out car seats that tip or dip too far back. Car cushion is useful in cars, homes, work or any where you sit. Extra dense foam. Wedge thickness: 1 inch tapering to 3 inches. Dimensions: 16" x 13" x 3" foam wedge Cover: Blue cotton, washable. Manufacturer: Care Apparel MADE IN USA.