1. [] : This bike cup holder is made of Oxford cloth adding a 4mm insulation layer, with good , wear-resistant, easy to clean, easy to clean, etc. This bike water bottle holder will serve you well for a long time. 2. [Multi-functional design] : This cycling water bottle drink organizer is not just a cup holder, you can also connect your phone, charging cable, Items such as flashlights are placed in a mesh pocket on the side to make your item organized. In addition, our water bottle holder handlebar comes with a thick drawstring design that can be used to tighten the pocket to prevent items from cutting out. This versatile roll bar cup holder is ideal for you. 3. [fit ]: It is a handlebar accessories, can be attached to any 1.5 "to 2.3" diameter roller bar with non-slip points on the surface to support weight and not slide around. It suitable for a variety of golf carts, mountain bikes, motorcycles, electric bikes and scooters, wheelchairs, walkers, RVs, desks,etc. The size of water bottle holder for bike is 6.9 inches tall and 3.3 inches wide, which can accommodate different beer cans, travel mugs, soft drinks, vacuum cups and stainless steel bottles. 4. [Easy to install]: This roll bar cup holder is very simple to install without drilling or other tools, you only need to use the Velcro strap to it in place on the car, and then adjust the tightness to keep the water bottle and stable, prevent it from slipping. The installation is complete.