Expanditure Low Bunk Bed With Trundle - Attached Ladder - Panel Style - White The solid wood construction and engineered wood panel inserts makes it sturdy and strong The bed comes with a slat roll foundation - no need for box spring. The Child-Safe protective finish is fully compliant with the US Federal Hazardous Substances Act. Bed meets and exceeds all U.S. Government and ASTM safety standards for bunk beds Bed meets and exceeds all U.S. Government and ASTM safety standards for bunk beds Bed is covered by our One Year, Peace of Mind warranty that covers manufacturing related defects. The bed can sustain weight exceeding 600 pounds