A Foundations porta-crib or compact crib is 62% the size of our full size crib. It is perfect in areas where space is limited. Crib comes with wheels, 2-inch mattress, and crib sheet. Mattress height is adjustable. Side does not drop, but some cribs have adjustable bottoms. Our cribs are made for the rental industry and can withstand the rigors of transport. They exceed all U.S. and Canadian governmental safety requirements. Sleeping surface 24″ X 38″. Due to safety issues, bumpers are provided by request and for an additional charge.