OYT Adjustable Water Bottle Holder Sling (Blue) HIGHLY FUNTCIONAL AND SIMPLE DESIGN-Bottle sling will fit most any water bottles. No hard materials.Makes it easy to bring water along wherever you go.blue strap extends to a the bottom of the bottle, positioning itself under the bottle,So that it can not fall off LIGHT WATER BOTTLE HOLDER-Universal beverage and water bottle lanyard,with 1 elasticated part to fit for the dia.of around 2.30--3.75 inches,ALL TYPES (12 oz,18 oz, 20 oz, 24 oz, 28 oz, 32 oz,36 oz, 40 oz and etc ) of sport water bottles for Hydro Flask, Nalgene, Nathan, Klean Kanteen, CamelBak etc. ADJUSTABLE BOTTLE SHOULDER STRAP- up to 40 inches in lengthCan be worn in the front or on your side,1 inch width is very comfortable to carry water in while it is on your shoulder.perfect for daily walking,hiking, going to the beach or Disney World, and outdoor event EASY TO STORE AND CLEAN-The size of folding bottle carrier is L3.4"X W3.6"X H1.4",Easy to make everyone at least carry his own water bottle in outdoor events,and it is suitable for washing by hand BUY WITH CONFIDENCE - 18-Month product warranty, We aim to provide only the best quality for each of our clients,but If for some reasons our bottle holder does not meet to your standardexpectations, please contact us to get a refund or replacement before writing a negative review.