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 7-8mm, 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. 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. Made from pvc material, measuring 1.3*1.3 inches, this custom stanly cup accessories of straw cover cap. Usage Scenarios: Office supplies, school stationery, corporate promotions, trade show giveaways. Customization: Logo printing available with multiple packaging and color options. Product Highlights: BPA-free, leak-proof, travel-friendly.