GREENGUARD Gold Certified: This product has been tested for over 10,000 chemicals! It contributes to cleaner indoor air, creating a healthier environment for your baby to sleep, play and grow. DaVinci is one of very few brands that offer this certificationGROWS WITH BABY: Four adjustable mattress positions that can be lowered as your baby begins to sit and stand. Easily converts to mini toddler bed, daybed, and twin-size bed (mini toddler conversion kit #M20399 and twin-size conversion kit #M4799 sold separately).QUALITY MATERIAL: Made of solid sustainable New Zealand pinewood and TSCA compliant engineered wood -only the best for your babyFOR 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 exceeds ASTM International and U.S. CPSC safety standards.COMPLETE THE LOOK: Shop Kalani-3-Drawer Dresser & 6-Drawer Dresser for a coordinated nursery. While this crib is a standard size mini crib, for a best fit we recommend DaVinci's line of non-toxic, GREENGUARD gold mattresses. Includes 1" waterproof mattress pad.