BPA-free and odor-free: Our straw covers cap is made of food-grade silicone material, ensuring that it is safe to use and free from any unpleasant smells. You can enjoy your drink without worrying about harmful chemicals or unwanted flavors.Fashionable and practical design: Not only does our straw covers cap look cute, but it also serves a practical purpose. It effectively blocks dust and other foreign objects from entering your straw, keeping it clean and hygienic. It's a cute and functional accessory that you deserve to have.Leak-proof protection: Our straw covers cap provides a barrier against airborne contaminants like dust and saliva, ensuring that your straw stays clean and free from any potential contamination. It also acts as a barrier to prevent mosquitoes from entering your water cup.Precise fit: Our straw covers cap is designed to fit Stanley large straws with a diameter of 7-8mm (0.4 inches). It offers a snug and secure fit, so you can enjoy your drink without worrying about any leakage or spills.Packaging and gift idea: Please note that our package includes only the silicone straw caps, and straws and cups are not included. It makes for a great gift choice, as the mini cup sleeve is cute, easy to put on and take off, and reliable in quality. It's the perfect gift for mug lovers who want to keep their drinks clean and stylish.Product name: Dust proof straw hatMaterial: PVCApplicable size: straws with a diameter of 7-8mmFeatures: Cute and diverseProduct use: dustproof sealing decorationSize: 7CM * 2CM/2.75 inches * 0.78 inchesPackaging: Straw hat * 1 piece