Medline 3 Inch Gel Foam Pressure Redistribution Cushion,16 x 16 x 3 (40.6cm x 40.6cm x 7.6cm),Each,MSCPRC31616

It is embedded with a pressure reduction gel bladder to equalize weight and pressure distribution. The core is made with a proprietary designed gel bladder encased in high resilient polyurethane foam.