Sturdy and Durable: The cable grommet is made of high-quality rubber, which is durable, corrosion-resistant, durable, has good electrical transmission performance, and is easy to install. perfect : It is an perfect product for organizing , it can avoid multiple cables crossing at the wrong place and keep the table clean and tidy, meanwhile this silicone cable gasket is also a good decoration for the hole. Flexible Design: This cable entry table is very flexible, and the special -shaped design of the cable grommets helps you connect multiple cables and wires in different directions. WIDE APPLICATIONS - The desk air duct organizes cables and wires, widely used in , study , schools, workplaces, homes and computer . Please check if this is the size you need before purchasing. size: 2.9 x 2.9 x 1.2cm Material: Rubber colour: black Package Contents: 40 x hole plug Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.