Color: Letter U Size: One Size Applicable Cup: These straw topper are for 10 mm (0.4inch) straws. Can be used for stanley cup accessories straw cover and handle letter charm, and for yiti cup or for simple modern cup Silicone Straw Covers: Straw covers cap for tumblers, made of food grade silicone, BPA free, reusable, decor for stanley toppers, tumbler accessories rose gold charms made of sturdy metal Select Your Initials: 26 letter straw cover and charms, use these straw cap for stanley cup 30 40 oz decoration, unique and easy to distinguish, your cup will never be confused with other cups again Ease of Use: Put the straw cover cap for stanley cup, then buckle the handle letter charm to make your cup look more cute. These tumbler straw cover will make your drinking water worry-free Exquisite Gift: Straw caps covers for stanley cup will increase the fun of drinking water. Straw toppers for tumblers is a reliable companion for your cup. gift to men, women for school, travel, office.