All cabinet components are constructed of 11 ply 58 thick birch panels. Cabinet bottoms tops and shelves are dadoed glued and nailed into side panels for strength and durability. Non toxic tough clear finish on all units. 14 thick panels are recessed into side and top panels and screwed in place. Large twin wheel casters for easy and smooth rolling. Mobile storage unit has an easy clean plastic laminate top and has 12 storage areas for trays and two shelves on one side. Opposite side has 4 large storage sections. On casters. 48 wide x 24 deep. 30 high.