["ALL-MATCH. It's suitable for straws with a diameter of 9-10 mm used on the Stanley cup Simple Modern cup and other tumbler with lid and straw." PERFECT 16PCS Cartoon SET. These straw toppers have cute design and three-dimensional structure. They are suitable for decorating your beautiful straw cups. The perfect gift for your friends and family. "DUST-PROOF. Not only does this straw cover look cute it's also functional. They can effectively block dust and other foreign matter from entering are good Stanley cup accessories." HIGH QUALITY. Made of food grade silicone this straw cover is BPA FREE durable reusable and easy to clean. With a strong connection make it not easy to lose. LIFETIME WARRANTY. We make customer satisfaction our top priority which is why we use the highest quality materials along with a user-friendly design. Each purchase is backed by our lifetime Customer Satisfaction Warranty so that you can order today knowing your purchase is risk-free.]