【High Quality Silicone Material】It is made of food grade organic silicon, is safe and non-toxic, not easy to deform, high temperature resistant and can be used for a long time. 【General Accessories】This is specially designed for general purpose pressure cookers.It is a beautiful and practical kitchen accessory.Please measure the size before purchasing, thank you for your understanding. 【Good Seal】There are 4 small gaps around the sealing ring, which are easy to install, not easy to fall off, and have good sealing performance. 【Convenient and Practical】The inner diameter of the sealing ring is 22cm and the outer diameter is 24cm. 【Widely used】The pressure cooker sealing ring accessory can replace your original sealing ring.Regular replacement of the existing sealing ring can keep the pressure cooker in the best condition.