LA Baby popular sturdy arched Metal Crib gets the folding treatment to save space when it's not is use. Comes assembled and all that needs to be installed are the heavy duty casters, of which two are locking. Included 3 inch Mattress complies to California and U.S. Federal Flammability Standard 16 CFR 1633. Single level posture board for increased safety. Included foam bumpers protect doorways and other furniture when moving the Crib. Meets the Mandatory CPSC 16 CFR 1220 regulations for non-full size Cribs. Bilingual instructions in English and Spanish. Optional nylon storage cover is available.