Matching Cool Gray Full Bed Rails allow for conversion of crib or toddler bed to complete full size bed. Rails are constructed from wood and wood veneers. Rails are finished to match Convertible Crib. Complete with full size bed slats. Child safe non-toxic finish. Hardware included. No assembly required other than attachment to crib sections. Bed rails simply bolt on to crib long front and back sections. Full size mattress and box spring required not included.