Description The bottle holder is fully rotatable and easy to install suitable to any size of handlebar , friendly for shopping, cycling, walking. Whats more, the cup mounts can install on scooter, bike, wheelchairs, perfectly adding convenience for your daily or outing activities. Features -Color:Black -Material:ABS -Size:15.50X10.50X6.50cm/6.09X4.13X2.55in -Note:Suitable for 2-4.5cm diameter -When outing, no need feeding baby by finding bottle in your nursery bag, provide an extra hand. -The biggest advantage of bike water bottle holder is that it can hold containers of different sizes. - You can install the drink cup holder without need for tools or equipment, greatly save your time and efforts.-Clamp is fully adjustable so you can mount it on rods, pipes or tubes and locks tightly to keep your drink from spilling or tipping over.-Fit most cups and bottles or your babys milk bottle. The cup holder stays firmly in place even on a bouncy road. Packing list: 2 x Cup Holders