Cross-groove design: The back of the linear connector is a transverse groove for fixing the plastic panel. The plug-in slot design increases friction, and there are 8 card slots in total, providing a more secure connection. Environmental protection material: The plastic connector for the metal case is made of ABS plastic, non-toxic and odorless, and can be used indoors for a long time. Very durable and will not be damaged. Accessory for shelf: Storage cube connector can expand your modular shelves according to your desires. Shelves and cabinets can be assembled at will, which is convenient and simple, economical and practical. 40 plastic cube connectors can meet your different needs. Widely used: Plastic connectors can be used to simply join home cabinets, shoe cabinets, storage cabinets, flower pot racks and other shelves. It is a great choice for expanding storage space. Easy to use: Insert the panel to be joined into the interlocking plastic connector slot, ensuring that all round surfaces face outward and are balanced after installation. Convenient, simple and reusable.Product Description Let you assemble the cabinet quickly and easily! The linear plastic connector is made of high quality environmentally friendly ABS plastic, which is non-toxic and tasteless. The back of the connector is a transverse groove, designed to firmly fix the plastic panel. Ribbed internal groove design increases friction and provides a stronger connection. Insert the panel to be joined into the connector slot, ensuring that all round surfaces are facing outward and balanced after installation. 40 connectors to meet your different needs, such as bookcases, cabinets, shoe cabinets, storage shelves, etc. These connectors can be easily and quickly completed. Specification Material: ABS plastic Dimensions:3.7*2cm Type: Wire cube connector Features: environmental protection Package includes: 40 x Cube Plastic Connectors Note: 1. Due to manual measurement, the size error is about 1-3cm. 2. Please note that due to factors such as lighting effects and display brightness/contrast settings, the color tone of the photos may differ slightly from the actual project.