- Multi-functional as it can be converted from a crib to a toddler daybed or a full-size bed. (Guard rail included) - Four-level mattress height adjustment. - Metal spring mattress support. - Mattress sold separately. - Included an under-crib trundle drawer for extra storage. - Stationary side provides stability. - Non-toxic easy-care finish. - Assembly required. The Spring 3-in-1 crib has a beautiful finish over the solid wood. It has a drawer conveniently located below the crib and glides easily over metal runners. The crib can be converted into a toddler daybed and full size bed. It comes equipped with a guard rail, a 4 level mattress support, and a flat side panel. Athena Mattress 96 Coil 96, 13.5-gauge coil mattress for sturdy use Non toxic triple laminate cover that is anti bacterial, water and tear resistant Meets federal standard CFR-1627 Fits standard full-size cribs and toddler beds Dimensions: 52" x 27 5/8" x 5 1/2"