5" Metal Box Spring with fast Assembly, Twin Size
NEW!•Mainstays 5 Metal Smart BoxSpring® Quick Assembly Mattress Foundation:EASIER THAN EVER ASSEMBLY - With fewer bolts and tool-free locking brackets for intuitive setup, assembly takes only minutes to completeDURABLY ENGINEERED - long-lasting steel is used to construct the inside framework of this foundation; twin/twin xl sizes support a maximum weight capacity of 350 lbs, while all other sizes can support up to 700 lbsSTRONG, DEPENDABLE, AND READY IN NO TIME - As if its ultra-durable steel structure and convenient packaging weren't impressive enough, our original Smart BoxSpring® has been given a quick-assembly upgrade5-year worry free warrantyWith our simple, step-by-step instructions on hand, you'll have this foundation built and ready to use within minutes. Built with a solid and durable steel frame and a versatile poly jacquard cover that slips right on, the Smart BoxSpring® is the picture of dependability for any mattress. M521