Meitesti Straw Cover Cap for Stanley Cup,Straw Topper Compatible

Compatible: Unlike most straw caps on the market, this straw cover is specifically designed for stanley cup straw. You don't have to worry about the wrong size, perfectly compatible with stanley 30 and 40 oz tumbler with handle straws. Material: unlike ordinary PVC material straw covers cap, and there is no unpleasant smell, you can use it without worry, cleaning it is a breeze