Country styling and function make this bunk bed the perfect addition to any child's room. Solid construction in pine, metal and wood veneer includes headboard footboard, bedrail and ladder. Two twin size beds can be stacked as bunks or separated into twin beds. Twin roll out slat set sold separately. Designed and engineered with safety in mind. Bunk bed has heavy gauge metal tubing, full-length guardrails, and sturdy welded metal slat system for mattress support. Ladder can be attached on either side of bed. Uses a standard twin-size mattress, sold separately. Upper bunk requires a standard twin size mattress 74-75" long and 37.5-38.5" wide. Bunk bed is tested and certified by an independent testing laboratory to meet Consumer Product Safety Commission mandatory safety standards and ASTM F1427-01 safety specifications.