Product Details: The InnerSpace 36" x 76" x 5.5" Relax Truck Mattress is the perfect solution for a comfortable night's sleep on the road. This mattress is composed of 5.5" high density polyurethane foam, providing superior comfort and support. The foam is compression-rolled for easy shipping and installation, eliminating motion transfer between bed partners. With its superior comfort and support, this mattress will provide a restful night's sleep. Whether you're a trucker, a camper, or just someone who needs a comfortable mattress for their vehicle, it is the perfect choice. FleetPride is your First Click in Heavy Duty®.