The Aden Convertible 4-in-1 Mini crib is a beautifully designed crib that gracefully matures gracefully with your child from infancy, through childhood to adulthood. With its robust good looks and solid frame, this crib features a stationary (non-drop side) rail design which provides the utmost in product safety. For ease in reaching your baby, it sits low to the floor and features the of a three-position adjustable mattress support system. Stylish and sturdy, this lovely piece of nursery furniture grows with your child transitioning easily into a toddler daybed and twin size bed (twin size bed frame and twin mattress not included). Available in a variety of stylish finish, Coordinates with the Marcus Changing Table and Dresser. All tools for assembly are included. This crib accommodates a portable crib mattress (sold separately).