
Discover the ultimate freshness with our Factory Direct Fresh-Keeping Box Silicone Sealing Ring. This high-temperature resistant, food-grade silicone sealing strip ensures your food stays fresh for longer. Ideal for lunch boxes, containers, and more, it provides an airtight seal that locks in flavor and nutrients.
Keep your meals fresh and your kitchen organized with this premium silicone sealing ring. Designed to withstand high temperatures, it's perfect for both hot and cold storage. Whether you're packing lunch for work or storing leftovers, this sealing ring ensures your food stays as fresh as the day it was made.

**Outer Diameter 9*1.3, 7*1.3, 5*0.5 Food Grade High Temperature Resistant Waterproof Silicone O-Ring Oil Resistant Wear-Resistant Nitrile**

**Food-Safe Silicone O-Rings for Ultimate Protection**

**Silicone O-ring outer diameter 8*1.5 9*1.5 o-ring rubber sealing ring source good goods manufacturers supply**