The Mattress Medic fits all mattress sizes - twin, full, queen and king sized mattresses With the Mattress Medic, you'll save hundreds of dollars, and gain the comfortable sleep that everyone needs in order to be healthy and happy.The Mattress Medic is the money saving way to fix your mattress and to end restless nights tossing and turning trying to get comfortable on an uncomfortable mattress. An old, worn and uneven mattress is uncomfortable and prevents you from enjoying a deep, restful sleep The Mattress Medic was developed as a result of 30+ years of experience in the bedding industry. The product requires just a few minutes for installation and absolutely works for any size or type of mattress This product is the only MULTI CHAMBER AIR SUPPORT SYSTEM of its kind. This means that air flow beneath a mattress can be customized to support exactly as needed. Other products with a single air chamber do not work like The Mattress Medic Order now and we'll include the air pump FREE!