Mobile Tote Tray Cabinet Store various materials or student projects with these large totes in a mobile storage cabinet. Constructed of oak veneers and solid oak with a chemical resistant, earth friendly UV Finish. This unit rolls easily on 4” locking swivel casters. The two lockable doors swing 270 degrees and conceal 21 tote trays. Tote trays measure 19”L x 14.25”W x 3.5”H. Plastic laminate top can double as a work surface. Mobile capacity of 500lbs.