BSF Baby Megan 4-in-1 Crib in Espresso contains a stylish wood design and a 3-position mattress support system. The Megan uses a standard crib mattress which is not included. The transitional bed is designed for children who have outgrown their crib, but still require the included safety bedrails. The childs day bed is a great transitional stage until use of the full-size headboard is needed. The headboard attaches to a standard frame to create a full size bed. Footboard attaches to bed with adult rails, and the bedrails are sold separately. Assembed Dimensions (in inches): 59.61 x 29.29 x 36.85