10Pcs Universal Silicone Sealing Bottle Straw Hole Grommets Stopper Lids Straw Plug Replacement 20/30Oz Thermos Cup, Wine Stoppers, Wine Stoppers and Pourers (Grey)

["Universal Compatibility: Designed to fit 20oz and 30oz thermos cups, tumblers, and insulated bottles with standard straw hole openings for a secure, leak-proof seal","Premium Silicone Material: Made from flexible, food-grade silicone that provides excellent durability, temperature resistance, and creates an airtight seal to prevent spills and leaks","Multi-Purpose Design: Functions as straw hole grommets, bottle stoppers, wine stoppers, and pourers, making them versatile replacements for various beverage containers","Complete Set: Includes 10 pieces of grey silicone sealing grommets, providing multiple replacements for lost or worn-out stoppers to extend the life of your drinkware","Easy Installation: Simply insert the grommet into the lid's straw hole for a snug fit that stays in place during use and can be easily removed for cleaning or straw insertion"]