[10mm Christmas Straw Covers Cap]: 10mm straw cover for stanley 30&40 oz, straw tips, straw dust cap, straw caps for stanley cups, silicone straw cover. Creative cartoon shape, cute and very decorative. [High Quality Material]: Stanley cup made of food grade silicone, safe and non-toxic, durable, reusable, dishwasher safe and hand washable. There is no unpleasant smell, use it without worry, cleaning it is a breeze! [Easy to Use]: Stanley cup small shape, the straw cover has a strip that can be fixed on the straw. You can carry and use it anywhere, suitable for various outdoor activities. [Leak-proof and Practical]: Made of food grade silicone, these straw lid are durable. It's dust-proof and splash-proof,use it wherever you need it, keeping out bugs/debris, protecting straw and cup hygienic, keeping drink colder longer. [Christmas Gifts]: Our Christmas straw tip covers look very cute, great novel gifts! Best Christmas gifts for your friends or family. Diameter Cute Silicone Straw Covers Cap for Stanley Cup-christmas