High-quality materialThe bike bottle holder is made of polyester, which is waterproof and heat-insulating. Keeps drinks cool in hot weather and warm in cold weather. Practical designOur bike bottle holder has an external mesh pocket that can store small items such as keys, cards, earphones, cash or coins. There are also drainage holes at the bottom for easy cleaning and drainage. Easy InstallationAdopts two-point mounting design, can be fixed on the bicycle handlebar, the adhesive tape is reinforced with stitching, which can firmly fix the bicycle bottle holder on the luggage rack, suitable for anti-roll bars with a diameter of 1 to 3 inches, and will not affect riding stability. Suitable for Most Bottle SizesThe bicycle bottle holder bag can accommodate containers of different sizes. Fits narrow bottles up to 3 inches in diameter, suitable for all kinds of water bottles, sports bottles, baby bottles, coffee cups, plastic bottles, beer cans, etc. Multifunctional UseThe mountain bike bottle cage is not only suitable for bicycles, but also can be installed on electric scooters, mountain bikes, electric bikes, strollers, wheelchairs and other means of transportation. Suitable for hiking, camping, fitness, traveling and other outdoor activities.