Get a solid night's sleep with the InnerSpace 5.5 in. Truck Relax Mattress - Quilted One Sides in your truck. This mattress is made of 5.5-inch thick polyurethane foam and is quilted for comfort. It comes in a wide variety of size options to make it easy to find the right fit. This mattress is firm and specially designed to bring relief to road-weary muscles and joints. It gives you the comfort and support of a consistent, full night's rest and is hypo-allergenic. May be used with height-adjustable bed frames, platform beds, or slatted frames. This InnerSpace mattress comes compression rolled to be easier to maneuver it through tight spaces and into your cabin. Simply move the mattress into position, remove the cover, and it will expand to its full and permanent size within 48 hours. This mattress features a built-in FlameWatch fire retardant and passes MVSS-302 requirements. Proudly made in USA.