Firm polyurethane foam’s ability to reduce sagging and soft spots is one of the reasons so many people are using it to get the best night’s sleep. Now you can enjoy the benefits of a firmer sleep surface or seating cushion without having to sleep on the floor by adding this firm supportive polyurethane foam mattress to RV or Truck. This firm foam cushion will add comfort, increase firmness and improve your quality of sleep from your mattress immediately. Eight inches of firm suportive conventional polyurethane foam used in this RV mattress is specifically designed to provide additional support in areas where your body needs it most to prevent any dipping or sagging. The open cell urethane foam is also specially formulated to help support the contours of your body, allow for ample air flow and will give you the extra support you need to get the best night’s sleep possible. Environmentally friendly processes are used to make our foam. This makes our toppers more “green” and eco-friendly, by the use of earth friendly processes. Our toppers have also earned the PURGreen certification, which means they are safe and free from harmful chemicals. PURGreen uses independent laboratories to test products and ensure they are manufactured without use of prohibited content such as ozone-depleting CFCs, PBDE fire retardants, lead, mercury and other unsafe materials. PURGreen also sets baseline requirements for foam physical performance that can contribute to foam comfort and durability.***There may be a new foam smell associated with your new topper; however, this odor is not toxic or harmful passing all EPA and CSPC standards. MADE IN THE USA