Materialsealing gaskets for cooking is Made from high quality and food grade silicone, durable, heat resistant. UniversalElectric pressure cooker sealing rings replacement to ensure secure cooking. LeakproofPressure Cooker Sealing Ring Keep your pressure cooker airtight leakproof and improve the work efficiency. Easy to installElectric Pressure Cooker Accessory is Easy to install, no tools required, just a gentle twist to complete. Easy to cleanSilicone pressure cooker seal is washed and water and dry with a rag after each use. Size Chart: 18cm/7.09inch 20cm/7.87inch 22cm/8.66inch 24cm/9.45inch 26cm/10.24inch Package Includes: 1Silicone Sealing Ring Note: Please allow slightly errors due to manual measurement and different monitors.