The item is a bottle cage holder, which is made of high-strength engineering plastic material and whose diameter can be adjusted for some water bottles with different sizes while riding. With light weight and easy to install, it is really a wonderful partner for choice. Features - Brand: FOXNOVO. - Color: mainly black. - Material: durable hard plastic. - Diameter: 45mm-86mm for adjustment. - Item type: universal durable bike water bottle cage holder. - Suitable for varied types of bikes, including mountain bike, road bicycle, and folding bike. - The diameter of the bottle cage can be adjusted, so it is suitable for hold water bottle, can, mineral water bottle, etc. - There is a plastic adjustable screw on the bottom, for easy to adjust. - Simple and practical design, light weight and durable to use. Package list: 1 * FOXNOVO Universal Adjustable Plastic Bike Water Bottle Cage Holder (Black)