Cross groove design: The back of the plastic cube wire is a cross groove for fixing plastic plates. The slot design increases friction, and 8 card slots provide a more secure connection. Environmental protection material: ABS plastic fixing piece is non-toxic and tasteless, and can be used indoors for a long time. Very durable and will not be damaged. Wide range of uses: Grid cube can be used to easily assemble wardrobes, shoe cabinets, storage cabinets, flower pot racks, bookcases and other shelves. Easy to use: Cabinet connector has a size of 3.6 * 3.6 * 0.5 cm. Insert the panel to be assembled into Bob's slot to ensure that all round surfaces are facing outwards and remain balanced after installation. Meet the requirements: 40 plastic connectors can easily create a simple shelf connection. A large number can meet your different needs.