GREENGUARD GOLD CERTIFIED: This product has undergone rigorous scientific testing for over 10,000 chemical emissions and VOCs It contributes to cleaner indoor air, creating a healthier environment for your baby to sleep, play, and grow GROWS WITH BABY: Four adjustable mattress positions that can be lowered as your baby begins to sit and stand Easily converts to toddler bed, daybed, and full-size bed (toddler conversion kit #M3099 and full-size conversion kit #M4799 sold separately) QUALITY MATERIAL: Made of 100% solid sustainable New Zealand pine 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 COMPLETE THE LOOK: Shop Kalani 3-Drawer Dresser & 6-Drawer Dresser for a coordinated nursery While this crib is a standard size regular crib, for a best fit we recommend DaVinci's line of non-toxic, GREENGUARD gold mattresses