The Carter’s Colby Crib with Spacious Trundle Drawer features clean lines and a spacious, built-in trundle for a beautiful and practical nursery. Converts to a toddler bed, day bed, and full-size bed for use long past the nursery years. Features GREENGUARD GOLD CERTIFIED: This product has been tested for over 10,000 chemical emissions and VOCs, undergoing rigorous scientific testing to meet some of the world's most stringent chemical emissions requirements. It contributes to cleaner indoor air, creating a healthier environment for your baby to sleep, play, and grow 4-in-1 CONVERTIBILITY: Designed to save you the hassle (and extra money!) of buying multiple beds as your little one grows. Easily converts to a toddler bed, daybed, and full-size bed (toddler kit #M11999 and full-size kit #M5789 sold separately) GROWS WITH BABY: 4 adjustable mattress positions that you can lower as your baby begins to sit and stand. We've built this crib to withstand even the most active babies and toddlers and last through your child's teen years ADDITIONAL STORAGE: Spacious trundle drawer to fit all the crib sheets, baby blankies and more QUALITY MATERIAL: Made of solid sustainable New Zealand pinewood and TSCA compliant engineered wood -only the best for your sweet baby. FOR YOUR BABY'S SAFETY: Say goodbye to toxic chemicals! Finished in a non-toxic multi-step painting process and lead and phthalate safe. Rest assured knowing it meets or exceeds ASTM International and U.S. CPSC safety standards MATTRESS COMPATIBILITY: While this crib is a standard size regular crib, for a best fit we recommend DaVinci’s line of non-toxic, GREENGUARD gold, waterproof mattresses COMPLETE THE LOOK: Shop the Colby 3-Drawer Dresser & 6-Drawer Dresser for a coordinated nursery Product Details Material: Solid + Manufactured Wood Compatible Mattress Size: Standard Crib Size/Shape: Standard Convertible Convertible: Yes Conversion Types: Day bed; Toddler bed; Twin/Full sized bed Adjustable Mattress Height Number of Mattress Height Settings: 4