No tools are necessary when you assemble the four wire cubes. Made from steel wire and heavy duty plastic connectors for holding the wire grids together. It"s great for the office, dorm or children"s room. The cubes are interlocking giving you multiple stacking options so let your imagination take over.Dimensions: 14.5" wide x 14.5" long x 14.5" tall/deepMaterial: Steel & PlasticEasy, tool-free assembly