Metal Smart BoxSpring | Zinus 5 inch / Twin

The best box spring should be flat, level, and built to keep your mattress in tiptop shape; and thats just what the Smart BoxSpring does! With its reliable steel structure, you can rest assured that your mattress will be sitting pretty. With different thicknesses to choose from, you can pick the one you need to customize the height of the bed. Bed frame sold separately