2-Pack Silicone Plug Lid Seals for Travel Mugs & Tumblers

Keep your favorite travel mug, tumbler, or vacuum bottle leak-free with these 2-Pack Food Grade Silicone Plug Lid Seals. Designed as universal replacement grommets, these plug lids fit snugly into standard bottle and cup lids — creating an airtight, spill-resistant seal that protects your bag, desk, and car from unwanted drips.

Made in Mainland China.

Why You'll Love These Silicone Plug Seals

• Food-Grade Silicone: 100% safe, odorless, and non-toxic — no worry about what's touching your drinks.
• Airtight & Leak-Proof: Firmly seats into your lid to prevent spills and keep beverages at the right temperature longer.
• Universal Fit: Compatible with a wide range of coffee cups, travel mugs, tumblers, and vacuum bottles with straw hole or plug-style lids.
• Easy to Install: Simply press the plug firmly into place in your bottle lid — no tools needed.
• Durable & Long-Lasting: Flexible silicone resists wear, tearing, and deformation for extended everyday use.
• Great Value 2-Pack: Two plugs included so you always have a spare on hand when one goes missing or wears out.

Specifications

• Material: Food-Grade Silicone
• Color: White
• Package Includes: 2 × Silicone Plug Lid Seals

How to Use

1. Upon first use, soak the plugs in warm salt water for 1–2 hours to freshen them up. Do not soak in boiling water.
2. Confirm your lid's hole size matches the plug dimensions before ordering (refer to product images for sizing).
3. Firmly press the silicone plug into the straw hole or plug port on your lid until it seats securely.

Perfect For

• Coffee cups and travel mugs
• Vacuum-insulated tumblers
• Water bottles with straw-hole lids
• Any bottle lid requiring a grommet-style seal

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Learn more: FDA food safety in the kitchen

Frequently Asked Questions

Q: Are these silicone plug lid seals food-safe and BPA-free?

A: Yes! These silicone plug seals are made from food-grade silicone, which is non-toxic, odorless, and completely safe for contact with beverages. They contain no harmful chemicals, making them a worry-free replacement for your travel mug or tumbler lid.

Q: How do I know if these plugs will fit my tumbler or travel mug lid?

A: Please refer to the product images for detailed size measurements before placing your order. These plugs are designed to fit a wide range of standard straw-hole and plug-style lids on coffee cups, tumblers, and vacuum bottles. If you're unsure, measure your lid's hole diameter and compare it to the dimensions shown.

Q: Can I clean these silicone plugs in the dishwasher?

A: These silicone plugs are easy to clean. You can rinse them under warm running water or hand wash with mild soap. For the first use, soak in warm salt water for 1–2 hours. Always avoid soaking in boiling water to maintain their shape and seal integrity.

Production & Packaging Notice

To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.