Zinus 4'' Folding Metal Box Spring

The humble box spring just got a practical makeover. With the No Assembly Box Spring, you get unparalleled mattress support and an easy-to-maneuver design all rolled into one. Creatively engineered to fold in half when not in use, this metal foundation arrives ready to be unfolded and ready to support your foam, latex, or spring mattress in seconds. It’s also built with thick and durable steel, meaning that frames and mattresses may come and go, but this box spring will be with you for the long haul. It arrives at your door in one slim box packed with instructions and even a 5-year warranty. This brilliant foundation may look traditional, but its surprising strength and proven convenience are 100% modern.