Take the Pressure Off Bubble Pad with Flaps * Replacement APP pad to be used with the Blue Jay APP (Alternating Pressure Pump) model BJ145720 or similiar APP pumps * Can be used for both hospital and home care use * 130 air bubbles * Designed to be placed on top of an existing mattress * 15.7 end flaps wrap underneath the mattress for increased stability * Durable heavy guage premium medical grade PVS * Inflate pad size: 78.7 L x 35.4 W x 2.8 high *