The multi-functional handle bar cup holder is my newest addition to my bike this year. Whether I have a water bottle, thermo cup, coffee cup, tea mug or other type of container as long as it has a diameter of 70mm or less I can take it with me anywhere on my bike. The holder vertically holdz my drink on the handlebar and is lightweight and adjustable so I can set it perfectly wherever I want. The silicone rubber cover is wrapped around the bike handlebarz, preventing scratchez on my bikes beautiful paint job and giving the clamp super grip on the handlebar. This addition to my bike has made biking in the summer with my drink a breeze!