$3.90
1. Material: PU + aluminum alloy
2. Fitting: round tube diameter 21-22mm (with spacer), 25mm (without spacer)
3. Specification: cup ring caliber 78mm
4. Aluminum alloy material, strong and durable, not easy to wear
5. Adjustable belt length, more convenient to use
6. Suitable for a variety of specifications of water cups, travel without burden
7. Height: about 110/146mm adjustable
8. Weight: about 107g
Note: delivery only cup holder, does not include other items in the picture