
**High-Performance Silicone O-Rings for Every Need**

Food grade fresh-keeping box silicone sealing ring glass lunch box Daily type lunch box sealing ring Daily type specifications are complete. Keep your food fresh and secure with our food grade silicone sealing rings for fresh-keeping boxes. Designed for use with glass lunch boxes and daily type lunch boxes, these rings offer a perfect fit and superior sealing performance. Available in a complete range of specifications, you can find the ideal ring for any size or shape of container.
Experience the convenience of our food grade silicone sealing rings for fresh-keeping boxes. These high-quality rings are perfect for maintaining the freshness of your meals, whether you're packing a lunch for work or storing leftovers at home. Their durable construction ensures a tight seal, keeping your food fresh and your containers leak-proof. Choose from our comprehensive selection of sizes and specifications to find the perfect fit for your needs.

**High-Temperature Silicone O-Rings for Extreme Conditions**

**Silicone Rubber Fluorine Rubber Seal O-Ring Diameter 1 Outer Diameter 4 5 6 7 8 9 10 11 12 13 to 80**