Come and see our amazing products. Bicycle Drink Holder is made of polypropylene. Suitable for iding car, road car, mountain bike, lady car. Can be installed on front and rear riders, faucet, front pipe, front fork, upper pipe, front and rear seat pipe. The fixed base can be separated from the kettle stand, and can be installed in the upper and lower pipes as a general kettle stand. Pipe diameter for fixed base: 1.5-4.2cm (diameter. Easy to install or remove, 10 seconds can be done. Add your company name or logo for maximum visibility. Pls confirm with us about the packing info, stock color and exact production time before placing your order.