The Foundations HideAway crib blends safety, convenience and functionality. Folding crib includes 3″ foam Professional Series mattress which provides superior comfort and is antimicrobial. Through-the-door sizing fits through standard doorways in fully assembled position for ease of movement. Sleeping surface is 28″ X 52″. Crib features 4″ non-marking, ultra-quiet casters that will maneuver any surface to meet the demands of constant use. Crib is constructed from solid wood. JPMA certified. Foundations uses only wood certified to having been harvested with safe and responsible forestry practices and all products comply with the PEFC certification seal. Due to safety issues, bumpers are provided by request only.