Product Name: Pressure Cooker Sealing Ring Material: Silicone Applicable to: General purpose aluminum alloy pressure cooker 1The sealing ring is made of food?grade silicone, which is strong and durable. The sturdy silicone structure is designed to extend the life and function without leaving any chemicals. 2This silicone pressure sealing gasket is a great replacement for your old or damaged one. 3Easy to clean, just wash with soap and water after each use. If you want to use the dishwasher to clean, please clean on the upper rack to facilitate cleaning. 4Suitable for aluminum alloy pressure cooker. Please replace it every 18?24 months or when deformation is found. 5It is compatible with different models, please check the size of your pressure cooker before buying.The dimension mentioned in the are for the inner diameter of the applicable pot, not the size of the sealing ring. The product is aluminum alloy pressure cooker, but you need to pay attention to the model of the bottom of the pot. The one that starts with A can be used, and the one that starts with AS cannot be used. If you can't see the model, if the pressure cooker is determined to be made of aluminum, measure the inner diameter of the pressure cooker body.1 x Pressure Cooker Ring