Advantage 5 Zone Therapeutic MattressPressure redistribution and shear friction reduction are provided by a high quality therapeuticfoam mattress The deluxe horizontal, crosscut foam mattress is comfortable, supportive and provides pressureredistribution for 5 therapeutic uses pressure zones Patients' satisfaction and fewer services are enhanced by better compliance and durability thaninnerspring mattresses In order to protect the skin from friction, removable Nylon covers are fluid