·Secure Three-Point Stationary Design: The 3-point strap attachment keeps the cup holder in place. The attachment points create a stable triangular structure; the bike coffee cup holder will be firmly attached to your bicycle, even on rough mountain roads. ·Easy to Install: This holder is mounted on the bike handlebars by straps; no screws are required. You can quickly mount it on your bike or remove it when needed. ·Keeps Drink Cold/Hot: The water bottle holder has a thick interior insulation layer. The insulation maintains the drink temperature, so your drink stays cool in the sun and warm in the winter. ·Free your hands: The water bottle holder has a separate mesh pocket that can hold small items like a cell phone, keys, cards, gloves, wallet, etc. ·Good compatibility: This bicycle water bottle holder is a good size and holds multiple sizes of bottles, like water bottles and coffee mugs.