Durable Material: These straw tips coverare made of food-grade silicone material, which is reusable, non-toxic, and safe for daily use. The material is also durable, ensuring that your drinks stay clean and hygienic. Perfect Fit: Designed to fit straws with a diameter of 6-8mm, these straw covers provide a snug fit that helps prevent dust, dirt, and spittle from contaminating your drinks. They also help keep your straw and cup clean and hygienic. Simple and Elegant Design: You will receive 12 drinking straw caps in 12 colors.These straw covers feature a simple and elegant design that adds a touch of sophistication to your cup. They are available in a range of colors to suit your personal style and preferences. Easy to Use: These straw covers are small and lightweight, making them extremely portable and easy to carry on the go. They are also easy to slip on and off your straws, making them easy to use and hassle-free. No More Worries: We care about our customers and customer satisfaction is our biggest goal. Feel free to contact us if you have any question about the straw tips.