The 4-point connection is more stable --- No extra screws are needed. There are 4 fastener straps around the bicycle handlebar bag, and there is no drilling required for a typical water bottle holder. The fastener strap can be adjusted to fit your bicycle handlebars. 2 fastener strap loops will connect the stand pouch to your handlebar, and the other 2 loops will connect to the stem. When riding a bike, it will be firmly fixed in front. Insulation aluminum foil stalk bag---Our stalk bag uses a special aluminum foil inner layer, which can keep your cold drinks for a long time in the hot summer and keep you warm in the cold winter. There is a sturdy shell at the bottom, made of durable Oxford PU. Our handlebar water bottle bag is specially designed for long-distance outdoor bicycle riding. Versatile and easy to carry --- Eyein bicycle bottle cage bag is suitable for professional and amateur riders. More importantly, there is a detachable shoulder strap. After riding the bicycle, it can be a shoulder bag, which can protect your pocket and is convenient to carry anywhere. Quick to open and easy to access --- This bicycle bag is suitable for bottles with a diameter of less than 8.99 cm\/3.54 inches \/ a capacity of 750 ml and a height of 16 cm\/6.30 inches. The top strap seal can be quickly opened\/closed, allowing you to quickly access your water bottle, snacks, etc. In addition, the side pocket of the bag is 12 cm\/4.7 inches (length) * 8.5 cm\/3.35 inches (width), which is very suitable for holding energy bars, trash, Apple 4, 5, 6, 6S and other mobile phones, gadgets, etc. Durable fabric and easy to clean --- This bicycle handlebar insulated handlebar pouch is made of durable polyester material. Waterproof and weatherproof, keep your equipment free from dirt, dirt and dust. And keep your items dry and safe. The surface can be easily cleaned by simply wiping with your hands. Product description It has a wide range, including cycling, camping, hiking, and hiking. Specification: Color: black Material: Polyester Capacity: 0.75L Size: 16*9cm Quality materials Durable and waterproof Multifunctional Removable shoulder strap Eight fixed-point design When riding a bicycle, please fasten the bottle cage bag firmly to the handlebar. It is not only suitable for bicycles, but also for various convertibles and strollers. Special aluminum foil layer Has excellent heat preservation and cold preservation effects. Keep your drinks cool for a long time in the hot summer, and keep the coffee warm in the cold winter. Top drawstring closure It can tighten the opening and prevent the contents from ejecting on rough roads. Suitable for water bottles and cups up to 3.5 inches in diameter. Durable polyester material Protect your gear from rain and mud, and keep your belongings dry and safe. Durable and long service life.