Twin Box Spring, Mattress Box Springs & Foundations

Our heavy duty 7 inch twin size Semi-Flex twin Mattress Box springs & mattress box foundations are comprised of a unique grid assembly providing a firmer, more durable surface.

This 7 inch Twin Semi-Flex Mattress Box spring is designed with the best components to support all types of mattresses - inner spring coil mattresses, all foam mattresses (including memory foam and latex), and all air mattresses.

This unit will provide even support and durability to your twin mattresses for a comfortable night's sleep.

Additional Mattress Box Springs / Foundation Sizes

Additional box springs sizes include: Twin 9 inch, Full, Queen, King and Cal King.