Thank you for looking! (^^) New, unused. This is a cap that covers the straw opening. Recommended for dust prevention in offices and outdoors, and to prevent pets from licking. (Straw and tumbler are not included) Compatible with 9-10mm straws. Silicone, no brand. ◯ Please be sure to check the actual photos. ◯ We do not accept price reductions. ◯ Bulk purchases are welcome! Even if an item is sold out, we may have it in stock, so please feel free to contact us. ◯ We inspect items for usability, but as these are overseas products, there may be rough finishes, minor dirt, scratches, etc. ◯ The actual color may appear different depending on the shooting environment and your monitor. Please only purchase if you agree to these terms. Straw cap Straw cover Starbucks Coffee Tumbler Bearista Stanley Reusable cup Tumbler with straw