Features: The product is composed of silicone Ingredients, which is resistant to highly temperature and wear. It has good sealing performances, effectively preventing the overflows or leakage of the straw. The straw cover can keep the straw clean and hygienics, prevent dust, foreign object, or bacilli from entering the straw, and improve the safe of use. The reusable silicone straw cover can replace plastic straw, reduce plastic waste generation, and be more sustainable. The straw cover adopts a simple and compact designs, which can be carried in a portable water cup or childrens water bottle for easy use when going out. Suitable for various cup mouth sizes. Suitable for daily household drinks, such as water cups, teas cups, ., providing family members with a healthier and more convenient drinking experience. Specifications: Ingredients: Silicone Attribute: 8-piece set Size: Reference image Special functions can be reused Package Includes: Main straw cap ×8 note: Please allow 1-2cm error due to manual measurement. Please make sure you do not mind before you bid. Due to the differences between different monitors, the picture may not reflect the actual color. Thanks!