FY2931: Features: -Staircase can be set up at either end of the bunk bed-Staircase chest comes Fully assembled in two boxes-Bed accommodates up to a 9.05" mattress-High build five step-Safety by design-Eco friendly-ASTM and CPSC certified. Construction: -Solid hardwood construction-Mortise and tenon construction. Color/Finish: -Durable, non toxic and lead free finish. Dimensions: -Twin over Twin dimensions: 69" H x 44.375" W x 103" D-Twin over Full dimensions: 69" H x 58.375" W x 103" D. Collection: -Columbia collection. Warranty: -Manufacturer provides one year warranty.