Temahome Delta Shelving Unit with Backs, Composition 2010-004, Pure Black Matte black finish Shelf width each column narrow to wide: 7.5, 10, 14, 19.5, 22, and 26"; height from narrow to wide: 1.3, 5.3, 14.3, 8, 20.6, 14.3, and 8.3" Panels made out of honeycomb construction which reduces weight but increases durability and strength; Clean with damp cloth and avoid solvents Assembly required; screwdriver needed Designed and made in Portugal; Designer: Ins Marino