All cabinet components are constructed of 11-ply, 5/8"thick all birch veneer panels. Back panels are recessed and screwed in place. Cabinet bottoms and shelves are dadoed, glued and nailed into side panels for strength and durability. Non-toxic, enviromentally safe clear finish on all units. Large, twin wheel casters for easy and smooth rolling. Fold and lock cabinets feature heavy duty piano hinges and lockable hasps.15"D x 30"H Deep Mobile Fold-N-Lock. Additional shipping charges apply.