18 x 16 x 3 * A new concept in pressure-adjustable wheelchair seating * Skil-Care s innovative Air-Foam Cushion combines variable air pressure capability and high-density foam for optimal pressure redistribution seating stability and user comfort * Safety straps keep cushion in place * Air-quilt surface inflates or deflates to meet user s pressure reduction requirements * High-density foam base provides stability comfort and prevents bottoming-out * Low-Shear II outer cover protects agaisnt skin-damaging friction and wipes clean * Incontinent-proof vinyl inner cover prevents fluid contamination and wipes clean for easy care and infection control * New anti-slip bottom for added user safety * All Air-Foam Cushions include an easy-to-use air pump * Latex Free * Foam Base is 2 thick * Air cushion is ´ thick * Notice to California Consumers: WARNING: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm *