Memory P.f. �Comfort� Wedge Cushion is designed to relieve pressure and provide a comfortable seat for individuals sitting in chairs, riding in cars, scooters, etc. This seating cushion includes molded, 6 lb. density memory foam that gives outstanding support and comfort. Encased in luxurious zippered blue velveteen cover with 18" x 16" x 3" x 1.5" dimensions. Slope provides added user comfort, especially while riding in cars and scooter.