Silicone O-Ring Gaskets for Vacuum Bottle Lids – 5-Pack
Silicone O-Ring Gaskets for Vacuum Bottle Lids – 5-Pack
Keep your favorite thermos, vacuum flask, or thermal cup leak-free with these durable Silicone Sealing O-Ring Gaskets. Designed as a direct replacement for worn or damaged lid seals, this 5-pack ensures you always have a spare on hand so your drinkware stays tight and your beverages stay at the right temperature.
Crafted from food-safe, BPA-free, phthalate-free, and latex-free silicone, these O-rings are built to handle daily use across a wide variety of vacuum bottles, thermal cups, and travel mugs. No tools required — simply roll off the old gasket and snap the new one into place in seconds.
Key Features
- Food-Safe Silicone: Made from high-quality, durable silicone that is BPA-free, phthalate-free, and latex-free for worry-free use with hot or cold drinks.
- Universal Fit: Compatible with a wide range of vacuum bottles, thermal cups, and travel mug lids — fits standard sizes including 4.5 cm and 5.2 cm diameter necks.
- Leak-Proof Seal: Creates a tight, reliable seal to prevent drips and spills, helping to maintain your drink's temperature for longer.
- Easy Tool-Free Replacement: No tools needed — simply roll off the old gasket and pull on the new one in seconds.
- 5-Pack Value: Includes 5 O-ring gaskets so you can replace seals across multiple bottles or keep extras as backups.
- Available in 2 Color Options: Choose the color that best matches your drinkware style.
Product Specifications
- Material: Food-grade silicone
- Package Includes: 5 × Sealing O-Ring Gaskets
- Colors Available: White & additional color option
- Compatible With: Vacuum bottles, thermal cups, travel mugs, and flask lids
Whether you're refreshing an old favorite bottle or stocking up for everyday use, these replacement O-ring seals are an easy, affordable fix that extends the life of your drinkware. They also make a practical little add-on gift for anyone who loves their thermos or travel cup.
For more guidance on safe food-contact materials and what to look for in kitchen accessories, visit the U.S. Food & Drug Administration – Food Contact Substances resource.
Frequently Asked Questions
Q: What sizes do these silicone O-ring gaskets fit?
A: These silicone sealing O-ring gaskets are designed to fit standard vacuum bottle and thermal cup lid openings, including common sizes around 4.5 cm and 5.2 cm in diameter. They are compatible with most popular vacuum flasks, thermal cups, and travel mugs. If you're unsure, measure your current lid gasket before ordering.
Q: Are these O-ring seals food-safe and free of harmful chemicals?
A: Yes! These replacement O-ring gaskets are made from high-quality, food-grade silicone that is BPA-free, phthalate-free, and latex-free, making them completely safe for use with both hot and cold beverages.
Q: How do I replace the O-ring gasket on my vacuum bottle lid?
A: Replacement is quick and tool-free. Simply roll or pull off the old, worn-out gasket from your bottle lid groove, then stretch and press the new silicone O-ring into place. The whole process takes just a few seconds and instantly restores your lid's leak-proof seal.
Q: How many O-rings are included in the pack?
A: Each pack includes 5 silicone sealing O-ring gaskets, giving you plenty of replacements to use across multiple bottles or to keep on hand for future use.