Dynarex-10420P-DynaRest Multizone Foam Mattress w/ perimeterThe DynaRest Multi Zone Foam Pressure Mattress with Perimeter is constructed from comfortable high density foam with multiple zones to reduce shear friction, facilitate air flow, and prevent pressure wounds. The raised mattress perimeter helps keep patients from rolling out of bed and reduces the need for bed rails. Ideal for use at home and in a wide range of healthcare facilities.