Our bottle cage is very easy to install. It is attached to the bike handlebar with Velcro straps. You can quickly put it on or remove it when needed. No screws required. Wide hanging options. - We thicken the inner insulation layer. Whether you're cycling in winter or summer, our handlebar cup holder ensures your drinks stay cold/hot longer. Great for your daily commute to class/work/home, road bike touring, bikepacking, off-road riding, etc. - The 2-in-1 bike cup and phone holder is flexible and allows for a variety of bottle sizes. It's large and deep enough for a regular water bottle and drinks bottle. The capacity is up to 32 ounces and can accommodate various sizes of bottles and cans: insulated water bottle, travel coffee mug, sports bottle, etc. - Our bike water bottle cages keep the bottle within easy reach, so your drink is always at hand. You can quickly slide the bottle in and out with one hand while riding. You no longer have to stop and reach down to grab your water bottle. The 3-point Velcro closure keeps the bike cup holder in place. This is very sturdy once it's on your handlebars. No bouncing around, no flapping in the wind. It has a drawstring closure to close the opening. The bottle won't pop out on bumps, even after riding over rough terrain.