Rockbros bike water bottle holder bag special shoulder strap design 4 straps make it convenient to install, and can be used to be a crossbody bottle bag, and can take it everywhere you want. Fit for kinds of bicycles this bag use for beach cruiser, exercise bike, electric scooter, folding bikes, shopping carts, road bikes, scooter, etc. Take with your phone extra pocket design of the water bottle bag, which is convenient to take with your phone or other small objects: keys, cards etc. More features 1l large capacity mutiple stable installations insulated and durable only about 50g,ultra lightweight large area reflective strip design top drawstring closure extra pocket design water resistant fabric bottom mounting strap 1l large capacity: the bike water bottle bag has 1l capacity which is large enough to storage water bottles the diameter of the water bottle is less than 2.75Inches tools, keys and other bike accessories.What’s more, there are also a outer elastic pouch to put your phone. Mutiple stable installations: this bike storage pouch use multi-position installation design which can be installed not only on the handlebar but also on the bike frame and under bike seat. Besides, it come with 5 adjustable straps, and can be used according to the location.Adjustable elastic buckle make it more stable even riding on a bumpy road. Insulated and durable: rockbros stem bag made of is made of 210d pe cotton lining which is insulated to keep your drinks cool in hot summer. Out...