AdirOffice smartly designed stackable shelving systems in white, black , blue or medium oak finishes are the ideal answer to maintaining order in the classroom, office or for craft artisans. Each unit comes with 20, 18×11.75 shelves along with pegs that allow you to set shelf spacing as you need. Use these 15 high x 38.25 wide units for construction paper, puzzles, manuals, homework assignments, artwork and other requirements where flat storage helps keep operations organized and running smoothly.