Universal Silicone Gaskets & Straw Hole Grommets – 2 Pack

Keep your favorite tumblers, travel mugs, and water bottles leak-free and fresh with these Universal Silicone Gaskets & Straw Hole Grommets. Crafted from food-grade silicone, this 2-piece set delivers an airtight, odorless, and spill-resistant seal — a simple, affordable fix that extends the life of your drinkware accessories.

Whether you need to replace a worn-out lid plug, seal a straw hole, or restore an airtight fit on your vacuum bottle, these grommets are designed to fit a wide variety of cups, mugs, and tumbler lids. Available in 4 color options so you can match your gear or mix and match for easy identification.

Key Features

• Food-Grade Silicone: 100% safe, BPA-free material — no unpleasant odors, no leaching, completely worry-free for daily use
• Airtight & Leak-Proof: Creates a secure seal that keeps drinks contained and temperatures maintained
• Universal Fit: Compatible with most travel tumblers, coffee mugs, vacuum bottles, and water bottle lids with straw holes or plug openings
• Non-Spill Design: Engineered to prevent accidental spills, whether in your bag or in the car
• Durable & Long-Lasting: Flexible yet tough silicone holds its shape through repeated daily use and washing
• 4 Color Options: Choose the color that suits your style or helps you distinguish lids at a glance
• Set of 2: Two replacement grommets per pack — always have a spare on hand

Perfect For

• Travel tumblers, commuter mugs, and coffee cups
• Vacuum-insulated water bottles and sports bottles
• Hydration packs and reusable straws with plug lids
• Anyone who wants to restore a like-new seal without replacing the whole bottle

Product Specifications

• Material: Food-grade silicone
• Quantity: 2 pieces per pack
• Colors Available: 4 options (as shown)
• Fit: Universal — refer to product images for sizing details

For guidance on food-safe materials and what to look for in kitchen accessories, visit the U.S. FDA Food Contact Substances resource.

Frequently Asked Questions

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

A: These food-grade silicone grommets are replacement accessories designed to seal straw holes and lid plug openings on travel tumblers, coffee cups, vacuum bottles, and water bottle lids. They create an airtight, leak-proof seal to keep your drinks secure and spill-free.

Q: Are these silicone gaskets safe to use with hot and cold drinks?

A: Yes! Made from food-grade silicone, these gaskets are heat-resistant and cold-resistant, making them safe for use with both hot beverages like coffee and tea and cold drinks like iced water or smoothies. The material is BPA-free, odorless, and non-toxic.

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

A: These gaskets are designed with a universal fit to work with most standard travel mugs, tumblers, vacuum bottles, and drinkware lids that feature a straw hole or plug-style opening. Please refer to the product images for exact sizing details to confirm compatibility with your specific bottle.

Q: How do I clean the silicone gaskets?

A: The silicone grommets are easy to clean — simply remove them from the lid and wash with warm soapy water or place them on the top rack of your dishwasher. Their non-porous silicone surface resists odors and stains, keeping them fresh with minimal effort.