The best of both worlds, the Aria Full Size Portable Folding Crib by Simmons Kids provides a spacious sleep area while also featuring a foldable design for easy storage or transport. Its clean lines create a modern look that works in any nursery, secondary living space, or at Grandmas house. The adjustable mattress height allows this crib to grow alongside your little onestart with the mattress at the highest level, then lower it as your baby begins to sit or stand. Outfitted with two locking wheels and two non-locking wheels, this crib is easy to move around the house. If youre interested in a more permanent solution, use without the wheels for a stationary full size crib. Plus, this crib is GREENGUARD Gold Certified, which means its built to contribute to cleaner air for a healthy home. Fits a full size crib mattress (crib mattress sold separately).