These water bottle sling bags are common accessories for helping you carry the water bottle easier. Furthermore, it not only can provide a good protection for your water bottle from scratching, but also keep your water bottle warm or cold. Suitable for many situations: biking, travel walking, camping, and some sports events.SpecificationColor: Black, Light PurpleMaterial: NeopreneOverall Size: 66mmx185mm / 2.6"x7.28"Suggested for Bottle Size: 65 to 73mm Diameter（Approx 450ml-600ml)Thickness: 3mm / 0.12 inchPacking List: 2 x Water Bottle Sling BagAdvantages1. Neoprene is not just soft and comfortable to touch, it is also durable to and easy to clean.2. Adjustable strap design, you can adjust the buckle and make you can wear it easier and more comfortably.3. Removable hook design, when you are not going to use the shoulder strap but use it at home, you can remove the strap yourself, much more conveniently.InstructionEasy to use, put your water bottle in the water bottle sling bag and then worn across the body or over the shoulder.NOTE: Please note to choose the right size according to your water bottle's diameter.