The Storkcraft Long Horn Solid Hardwood Twin Bunk Bed is a trusted family favorite. Its strong and sturdy construction, full-length safety guardrails, durable 5-step ladder, and functional convertibility make it perfect for any kids' room. For added versatility, the Long Horn can be set up as a bunk bed twin over twin or as two separate twin-size beds. The Long Horn is Certified, screened for more than 10,000 chemicals and VOCs known to pollute indoor air. The Long Horn is crafted with rubberwood solids, wood composites, and engineered wood, meeting Astm and Cpsia safety standards. Exclusively from Storkcraft, makers of quality nursery and kids' bedroom furniture since 1945. Backed by a 1-year limited manufacturer s warranty. Assembly required. Mattresses not included. Maximum weight of the top bunk: 225 pounds. Bunk bed mattress should not exceed 7 inches in thickness.