Assembles in minutes! No tools required. Easy for college move in and move out days Durable Carbon Steel Shelving with back and side guards to prevent items from falling Many desks lack upper shelving, which is great for textbooks, notebooks, and odds and ends Compact - Made specifically to fit on top of college dorm-sized desks! Overall Dimensions: 24"W x 12"D x 33.5"H DormCo's Suprima Mini Desktop Carbon Steel Bookshelf - Small Version will allow you to keep textbooks within arm's reach while you're sitting at your desk. This college and office essential bookshelf has a durable and compact carbon steel construction for a sleek and sturdy look.