Fit Perfect:Our Standard Size Straw Lid compatible with Hydro Flask standard size bottle ID:20 oz,24 oz.Possible compatibility:The cup mouth about 1.88 inch as picture style bottle. Flip the top up, drink away,just one-handed drinking.No need to unscrew the straw cap lid.Made of high quality material, does not affect your taste. Package Included:1.four lid 2.four straw ,Trim straw to fit your hydroflask standard size water bottle. 100% SATISFACTION: We are proud of the quality of our products and take responsibility for our customers' purchase behavior. If there is any problem with the product you received, please contact the customer service of the store as soon as possible, and we will definitely give you a satisfactory solution. Lid 24oz Insulated Water Bottles