Replacement Thermos Stopper for 1.1 QT & 2 QT Vacuum Bottles

Keep Your Thermos Sealed & Insulated

Lost or damaged your thermos stopper? This high-quality replacement stopper is designed to fit classic wide-mouth vacuum-insulated bottles in 1.1 QT and 2 QT sizes. Restore your bottle's airtight seal and keep beverages hot or cold for hours — without having to replace the entire bottle.

Made in Mainland China.

Key Features

• Compatible Sizes: Fits 1.1 QT and 2 QT classic wide-mouth vacuum insulated bottles
• Airtight Seal: Precision-fit stopper design maintains the vacuum seal to preserve temperature
• Durable Construction: Built to withstand everyday use and repeated opening/closing
• Easy to Install: Simple drop-in replacement — no tools required
• Cost-Effective: Extend the life of your thermos without buying a new bottle
• Wide Mouth Design: Engineered for wide-mouth bottle openings for a snug, leak-resistant fit

Product Details

• Compatible With: 1.1 QT and 2 QT wide-mouth vacuum insulated bottles
• Quantity: 1 piece per order
• Country of Origin: Made in Mainland China

Perfect For

Whether you use your thermos for hot coffee, tea, soups, or cold drinks, a properly sealed stopper is essential. This replacement part is ideal for home, office, camping, hiking, and travel use — anywhere you rely on your thermos to perform.

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Learn more: Nutrition.gov on cooking and food safety

Frequently Asked Questions

Q: What thermos sizes does this replacement stopper fit?

A: This replacement thermos stopper is designed to fit classic wide-mouth vacuum-insulated bottles in 1.1 QT and 2 QT sizes. Please verify your bottle's mouth diameter before purchasing to ensure compatibility.

Q: Is this stopper difficult to install on my vacuum bottle?

A: Not at all! This replacement stopper is designed for easy installation — simply insert it into your wide-mouth thermos bottle opening. No tools or special skills are required.

Q: Will this stopper maintain the vacuum seal and insulation of my bottle?

A: Yes. The stopper is precision-fitted for wide-mouth vacuum insulated bottles, helping to maintain an airtight seal so your drinks stay hot or cold for extended periods, just as your original stopper would.