"Reliable DesignThe bicycle cup holder uses 2 Velcro fixing strips that are fixed to the front of the bicycle, resulting in a stable three-point design, which ensures that your water bottle remains stable on rough terrain. The bicycle water bottle holder is designed with a drawstring, which can be freely retracted to ensure that beverages do not spill.Durable MaterialBike water bottle holder is made of tough Oxford cloth material. Lightweight and durable. The outside is tear-resistant and waterproof, and the inside is made of thick aluminum film with excellent thermal insulation properties. Keep your mug at a good temperature in winter.Applicable CapacityWhile following the correct installation method, our cup holder bike can easily hold 12oz-32oz water cups. There is also a mesh pocket on the side for cell phones, headphones, cards, keys and trinketsWide UseUniversal Bicycle Cup Holder 3.3 inches (about 8.4 cm) wide by 6.9 inches (about 17.5 cm) high. 2 adjustable hook and loop straps make the mounting position very flexible. Not only suitable for road bicycles, mountain bikes, but also for electric scooters, electric bicycles, folding bicycles, children's bicycles. Christmas giftInstallation stepsThe installation of the bicycle bottle cage is very simple, just install it on the handlebar of the bicycle with a strap, no screws are required."