Get ready to protect your straw and add style with this Silicone Straw Cover Cap end for Stanley 40 oz tumblers with handle! No more worries about the wrong size; this cap is perfectly compatible with a Stanley 30&40 oz tumbler with handle straws. Made with BPA-free food-grade silicone material, it's safe and odor-free - cleaning is a breeze! Plus, it's leak-proof and prevents contamination from dust and saliva, keeping your straw and cup extra hygienic. With a precise fit for Stanley large straws, this cute and quirky cover is a great gift and the best choice for cup lovers. Only silicone straw caps are included in your package - straws are sold separately.