Assure II 80" X 36" X 5" General Patient and ICU/CCU Hospital Bed Mattress (Several Multi-layered, multi-density for optimal comfort and postural support, High Loft, Convoluted foam top and bottom, High Resiliency center core: 1.8 density 45ILD, FirmEdge passive restraint system two 3" wide zones of ultra-firm foam RemovableCover, Nymed polyurethane coated healthcare nylon top, 210 Denier, softnever brittle, Vynmed healthcare polyurethane coated vinyl bottom, Fluid proof, anti-fungal, stain resistant, Heavy-duty zipper, Fluid protection flap over zipper, designed to direct over and away from the zipper area Secondary Fluid Barrier, Assembled between foam and cover, Thermally sealed polyurethane, Unique two-way protection, Protects foam if outer cover is compromised, Protects cover by preventing foam's plasticizers from causing the fabric to become brittle and extending cover life All foam is CertiPUR-UScertified which means: Made without ozone depleters, Made without PBDEs, TDCPP or TCEP (Tris) flame retardants, Made without mercury, lead, and other heavy metals, Made without formaldehyde, Made without phthalates regulated by the Consumer Product Safety Commission, Low VOC (Volatile Organic Compound) emissions for indoor air quality (less than 0.5 parts per million)