COMPACT WOOD CRIB engineered to withstand use in a commercial child care environment, END PANELS 2 ClearView end panels or 1 MirrorView™/1 ClearView panels allow for visibility, 3" THICK FOAM CRIB MATTRESS with an adjustable mattress height for when baby grows (adjustable mattress only applicable for cribs with slatted side panels), MORTISE AND TENON WOOD CONSTRUCTION for the unprecedented strength and durability, NON-MARKING COMMERCIAL-GRADE CASTERS with two-locking for when the crib is in place