Cross-groove design: The back of the plastic cube wire has a cross-groove for fixing plastic plates. The slot design increases friction, and 8 card slots provide a more secure connection. Environmental protection material: The 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: The grid cube can be used to easily assemble wardrobes, shoe cabinets, storage cabinets, flower pot racks, bookcases, and other shelves. Easy to use: The cabinet connector has a size of 3.7 * 3.7 * 0.5 cm. Insert the panel to be assembled into the Bob 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.