Silicone Sealing O-Rings for Thermos 4/4.5cm – 10 Pcs Set

Ensure your thermos remains reliably sealed with our high-quality silicone sealing O-rings for thermoses. This practical set of 10 pieces is the ideal solution to keep your favorite beverage hot or cold, without worrying about leaks.

• Universal Fit: The set includes seals with diameters of 4 cm and 4.5 cm, perfect for most standard thermoses and travel mugs.
• Durable Material: Made from flexible and durable food-grade silicone, resistant to high and low temperatures and deformation.
• 10-Piece Set: A generous quantity provides a long-lasting supply, eliminating the problem of leaky thermoses and ensuring peace of mind.

These silicone O-rings are a simple and effective solution to ensure your thermos always works flawlessly. Easy to install, they provide long-lasting airtightness and are an essential accessory for every travel and outdoor enthusiast.