Metal Bunk Bed Twin Over Twin With Safety Guard RailsStretch sleep space for two, without sacrificing safety or style. The Metal Bunk Bed Twin over Twin delivers a heavy duty steel frame with full length guard rails and a side ladder, giving kids a secure, cozy sleep setup that fits neatly in smaller rooms. Crafted from sturdy steel with a wear resistant, powder coated finish, this bunk bed is built to last. Each bunk supports up to 220 lbs, and the durable metal slats provide solid supportno box spring