Big Trucker Truck Mattress, 80" x 36" x 7" (Many This truck mattress is designed for the big driver. This mattress can support over 400 pounds with comfort and stability. Three layers of foam strategically engineered to absorb more weight than the average mattress. Made from higher density foam that is the best you can buy. Slightly more expensive than a standard semi truck mattress; its built to last a long time. 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)