Silicone Gaskets & Straw Hole Grommets – Universal Bottle Seals

Keep your favorite tumblers, travel mugs, and water bottles leak-free with these Universal Silicone Gaskets, Seals & Straw Hole Grommets. Engineered from food-grade silicone, these replacement accessories create an airtight, odorless, spill-proof seal — so every sip is as fresh as the first. Available in 4 color options to match your drinkware style.

Why You'll Love These Silicone Grommets & Seals

• Food-Grade Silicone: 100% safe, BPA-free, and completely odorless — no unwanted tastes or smells in your drinks.
• Airtight & Leak-Proof: Creates a snug seal around straw holes and lid plugs to prevent spills and drips.
• Universal Fit: Compatible with a wide range of travel tumblers, vacuum bottles, coffee cups, and mugs.
• Durable & Long-Lasting: Built to withstand daily use — flexible yet resilient so they hold their shape over time.
• Easy to Install & Clean: Simply press into place; dishwasher-safe for effortless maintenance.
• 4 Color Options: Choose the shade that best suits your drinkware or personal style.

Product Details

• Material: Food-grade silicone
• Package Includes: 2 pieces per set
• Compatible With: Travel tumblers, vacuum bottles, coffee cups, mugs, and more
• Colors Available: 4 options (as shown)

Perfect For

Whether you're upgrading a well-loved travel mug, replacing a worn-out seal, or stocking up on spare parts, these silicone grommets are an easy, affordable fix. They also make a thoughtful little add-on gift for anyone who loves their reusable drinkware.

For more information on food-safe materials and drinkware safety standards, visit the U.S. Food & Drug Administration – Food Contact Substances.

Frequently Asked Questions

Q: What are these silicone gaskets and grommets used for?

A: These universal silicone gaskets, seals, and straw hole grommets are replacement accessories designed to fit travel tumblers, vacuum bottles, coffee cups, and mugs. They create a snug, airtight, leak-proof seal around straw holes and lid plugs, keeping your drinks secure and spill-free.

Q: Are these silicone grommets food-safe?

A: Yes! These grommets are made from food-grade silicone — BPA-free, odorless, and completely safe for contact with beverages. They meet food-contact safety standards and are designed for long-term daily use.

Q: Will these grommets fit my water bottle or tumbler?

A: These are designed as universal-fit accessories compatible with most standard travel tumblers, vacuum bottles, and coffee cups. We recommend checking the size guide (as shown in the product images) to confirm compatibility with your specific lid or straw hole diameter before purchasing.

Q: How do I clean these silicone seals?

A: These silicone gaskets and grommets are easy to clean — simply rinse with warm soapy water or place them on the top rack of your dishwasher for a thorough clean.