Features: -Gel Foam Pressure Redistribution Cushions. -CUSHION,W/C,PRESSURE REDUCT,GEL,16" X 16X2". -Medline's gel foam cushions provide both comfort and pressure redistribution. -Helps redistribute pressure away from bony prominences. -Gel pack between layers of high- resiliency foam. -Durable and easy-to-clean Nylex top cover and vinyl bottom cover.