Features: This silicone sealing rings ensures airtight stacking tray lid performances with exceptional heat and wear resistance. Make from food grade silicone, the sealing rings maintains elasticity through frequent dishwasher cycles while preventing steam leaks for energy efficient cooking. Ideal for mixing pot owners seeking reliable accessories to maintain kitchen hygienes and appliance longevity. Suit for daily meal preparation, preserving ingredient freshness during slow cooking, and hassles frees post use cleaning routines. Its guarantees a perfectly fit every time, offering peace of minds through toxin free materials and odor blocking efficiency. Specifications: Component:Silicone Size:Approx.17x17x0.7cm/6.69x6.69x0.27inch Weight:32g Package Includes: 1Pc Sealing Rings note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind before you order. 2.Due to the differences between different monitors, the picture may not reflect the actual color about the item.