Great Gift Choice: This package includes 6 Pcs Silicone Straw Covers for Stanley Cup 40 & 30 & 20 oz. These great stanleycup accessories makes for an excellent gift for cup enthusiasts. Wide Compatibility: Worried about the size not fitting your favorite brand of straw or cup? Our straw covers fit most brands 40 oz - 20 oz cups with 9-10mm straws, suitable for Stanley and more. No limitations! Food Grade Material: Unlike ordinary PVC material straw covers cap, our straw lids are made from food grade silicone, BPA free, no unpleasant smell, and non-toxic.They not only serve as decorative accessories but also encourage children to drink more water. Protect Your Drinks: Our straw topper not only prevents dust and spittle from contaminating your straw and cup but also keeps mosquitoes out of your water. The dustproof and splashproof design makes it ideal for outdoor activities. Enjoy a hygienic drinking experience wherever you go. Easy to Carry: Our small and cute straw covers can be easily carried around. Use them wherever you go, such as walking down the street, camping, hiking, or engaging in other activities. It can be easily hand washed or cleaned in the dishwasher.