Description: Material: Straw Cover Cap is made of quality silicone material, ensuring durability and longevity. Size Compatibility: These silicone dust caps are designed to fit straws with a diameter of 6-10mm, making them versatile for various straw sizes. Straw Protector: The straw cover can seal your straw, prevent dust when not drinking, or prevent drinks from spilling during moving. Design: Creative cowboy hat shaped straw stopper is suitable for decorating your straws, very cute. Perfect gift for friends and family. Application: This portable straw dust cap is small and easy to carry, making it perfect for outdoor activities like walking, camping, and hiking. Specification: Material: Silicone Size Chart: 0.6cm-1cm/0.24inch-0.39inch Package Includes: 4 Pieces Cowboy Hat Straw Covers Cap Note: 1. Due to manual measurement, the size of the product may have 0.5-1cm difference. 2. Please allow slightly size errors due to manual measurement. Thank you for your understanding. 3. Please allow 1-2cm measuring deviation due to manual measurement.