Descriptions: Only suit for Aluminum alloy pressure cooker，The diameter of the pressure cooker about 18-32cm. New with High Quality Replacement sealing ring gasket for pressure cooker to ensure safe cooking. Stretchy rubber makes it easy to fix on the cover of your pressure cooker. It has high elasticity to ensure efficient sealing. Specifications: Material:Silicone Color: White Inner Diameter: 18cm,20cm, 22cm, 24cm, 26cm, 28cm, 30cm,32cm Package include: 1*Pressure Cooker Sealing Ring Note: All the dimensions here refer to the diameter of the inside wall of the pot, not the inside diameter of the pot cover. Not suitable for stainless steel pressure cooker and electric pressure cooker. Not suitable for over 16 years of 90 to 100KPA pressure cooker, and not suitable for commercial use pressure cooker. For commercial use, it is recommended to use commercial thickened sealing rings.Only suit for Aluminum alloy pressure cooker 1.As different computers display colors differently, the color of the actual item may vary slightly from the above images. 2. Please allow 1-3 CM differs due to manual measurement. Thanks for your understanding. Only suit for Aluminum alloy pressure cooker，The diameter of the pressure cooker about 18-32cm. Replacement sealing ring gasket for pressure cooker to ensure safe cooking. Stretchy rubber makes it easy to fix on the cover of your pressure cooker. It has high elasticity to ensure efficient sealing.