Keep your hands at 10 and 2 and your spine in line. The Pilot Seat Cushion with lumbar support is made from polyester backed by foam-padding. The seat cushion installs in seconds and is held in place with elastic straps. It's padded surface provides extra cushion for all contact points, with a medium-firm pad to provide support for the natural curvature of your spine. Product Features:Made from polyester backed by foam paddingProvides support for the lower lumbarDurable, breathable, and spill and stain resistantCan be spot cleaned with mild soap and warm water