Cross Slot Design: The back of plastic connectors for cubes is cross groove that holds a plastic panel. Plug-in slot design increases friction and has a total of 8 card slots, providing a more secure connection.Eco-friendly Materials: Cube plastic connectors for cube storage is made of ABS plastic, non-toxic and tasteless, and can be used indoors for a long time. Very durable and will not be damaged.Widely Used: The slot size of cube storage connectors is 5mm, can be used for simple assembly of home wardrobes, shoe cabinets, storage cabinets, flower pot racks, pet cage and other shelves.Easy to Use: Insert the panel to be assembled into the slot of the plastic closet connectors , ensuring that all rounded surfaces face outwards and remain balanced after installation.Meet the Needs: 40Pcs modular storage cubes connectors can complete a simple shelf connection without problems. Wire box plastic connectors can meet your different needs.