[RELIABLE DESIGN]Bicycle cup holder use three nylon buckle fastening strips fixed to the front of the bike, thus forming a stable three-point design to ensure that your water bottle remains stable on the bike in rough terrain.Bicycle water bottle holder with drawstring design It can be freely contracted to ensure that drinks do not spill.[DURABLE MATERIALS]Bike Water Bottle Holder Made of tough oxford cloth material.It is lightweight, durable. The outside can resist tearing and waterproof, and the inside is made of thickened aluminum film with excellent insulation performance. Make your mug in the winter can also maintain a good thermostat effect.[SUITABILITY CAPACITY]While following the correct installation method, our cup holder bike can easily fit 12oz-32oz water cups. We also have a mesh pocket on the side so you can carry small items such as cell phones, headphones, cards, keys and small decorations.[WIDE APPLICATIONS]Universal Bicycle cup holder 3.3in wide 6.5in high. 3 adjustable hook and loop straps make the mounting position very flexible. Not only for road bikes, mountain bikes, but also for electric scooter, electric bikes, folding bikes, children's bikes.christmas gifts.[INSTALLATION STEPS]Bicycle water bottle cage Very easy to install, it is mounted on the bike handlebars by straps, no screws needed. According to our guidelines, it is easy to handle without restrictions.Colour: blackMaterial: Oxford clothPackage Contents:2 * Water bottle bagOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.