The steel-framed Zinus Quick Lock Platform Bed features steel slats that provide strong support for your memory foam, hybrid, or spring mattress. This Platform Bed is 14 inches high with clearance under the frame for valuable under-bed storage. Mattress not included. The Quick Lock 14" Platform Bed Frame No Box Spring Needed Mattress Foundation provides stylish and strong support for your mattress without the need for a box spring. Another comfort innovation from Zinus.