Cabinet is 5/8" compressed wood with laminate finish and solid fiberboard back.
Shelves form 9"w x 11 1/2"d x 2 1/4"h letter-size compartments, adjustable in 2 1/2" increments to form larger compartments.
Black plastic molding is a convenient labeling area (labels included).
Each hardboard shelf holds up to 15 lbs.
Alll units stackable. 39 1/4" units stack up to three high, or 72 compartments.
Mix and match units.
Quick and easy assembly.