High quality materialThe plastic flashcard is made of high quality ABS material, which is non-toxic, odorless, stable and has a very scratch-resistant surface, will not be damaged and can be used indoors for a long time. Value PackThe package includes 70 pieces of black plastic connectors, with a surface diameter of 3.7cm, so you can easily connect with a simple shelf . Easy to useInsert the panel to be installed into the connector socket, ensuring that all round surfaces are facing outward and flush after installation.You can assemble, disassemble and reconfigure the card as many times as needed, which is very flexible. Cross-groove designThe back of the black connector is a cross groove for fixing the plastic card.The design of the slot increases the friction and there are 8 card slots in total, providing a safer and more stable connection. Widely UsedPlastic board connectors can be used to easily assemble closets, cabinets, shoe cabinets, lockers, DIY storage , flower pot racks and other shelves to save more space and store more items. Features: -Plastic material, non-toxic, tasteless, wear-resistant and will not break easily. -The back of the connector is a transverse groove, which can firmly fix the plastic card. -Can be used for shelves such as bookshelves, cupboards, shoe cabinets, lockers, flower pot racks, etc. Color: black Material: Plastic Size: Diameter: 3.7cm Weight: 700g Quantity: 70 Package includes: plastic connector * 70 Warm Notice: 1.Please allow a little size error due to manual measurement. 2.Due to lighting effects and monitors brightness/contrast settings etc, the color tone of the photo and the actual item could be slightly different.