Upgrade your beverage experience with these versatile 10Pcs Universal Silicone Sealing Bottle Straw Hole Grommets Stopper Lids Straw Plug Replacements. Designed to fit 20/30Oz Thermos cups, wine bottles, and more, these grommets provide an airtight seal to keep your drinks fresh and prevent spills. Made from durable silicone, they're easy to clean and reusable, making them an eco-friendly choice. Whether you're sipping your morning coffee, enjoying a glass of wine, or packing a refreshing beverage for the day, these stoppers are a must-have accessory for any household. Keep your drinks secure and prevent messy leaks with this convenient 10-pack of silicone sealing grommets.