The Mobile InnerSpace Truck Relax 5.5" Firm Support Foam Mattress is the perfect solution for those who need a comfortable and supportive mattress for their truck. This mattress is composed of 5.5" high density polyurethane foam, providing superior support and comfort. The mattress is compression-rolled for easy shipping and installation, eliminating motion transfer between bed partners. With its 79"L x 28"W x 5.5"H dimensions, this mattress is the perfect size for any truck bed. Enjoy a restful sleep. FleetPride is your First Click in Heavy Duty®.