Product Details: The InnerSpace 28" x 79" x 4" Relax Truck Mattress is the perfect solution for a comfortable night's sleep. This mattress is designed to fit the top bunk of your truck and is compression-rolled for easy shipping and installation. The mattress is made with high-density foam that provides superior comfort and support, while also eliminating motion transfer between bed partners. The mattress is also designed to be breathable and temperature-regulating, so you can stay cool and comfortable all night long. With its superior comfort and support, the mattress is the perfect choice for restful sleep. FleetPride is your First Click in Heavy Duty®.