you-hands,our bike drink cup holder is equipped with mesh-pockets that can compatible-with most phone. you also can carry small item like headphones, keys, cards, glove, wallet-and so-on. This cup holder is nylon, it is and can be used as your faithful companion. Keep your drink hot or cold,our water bottle holder with thermal insulation layer is designed to keep your drinks cold in-hot weather and warm in cold weather. Fit most size of bottle,the bike water bottle holder with drawstring design,two size optional,which can shrink freely to fit of cups, cans of beer, large cups, coffee-mug, soft drinks, stainless steel-bottle. it also protects the water cup from falling. Wide application,this bike cup holder has 3 hook