This is a hook that attaches to the tip of a retractable drink holder. It does not interfere with the storage of the drink holder after installation. Fine adjustments to the details and the material are black ASA. It is considered to have weather resistance, heat resistance, and toughness superior to ABS. It is included as a bonus with the center table currently on sale. Please consider purchasing with the understanding that this is made by an individual using FMD 3D printing.