The Baby Gap Charlie 6-in-1 Convertible Crib is full of style and function!, The Charlie Crib grows with your little one, converting from a crib to a toddler bed, daybed, sofa, or full-size bed with headboard and/or footboard., The adjustable mattress has three convenient positions allowing you to lower the mattress height as your baby grows., This crib is JPMA certified to meet or exceed all safety standards set by the CPSC & ASTM., This crib is Greenguard Gold certified to meet stringent chemical emissions standards., Uses a standard crib size mattress (sold separately)., Conversions require toddler or bed rail conversion kits (sold separately).