1. Pinch Test Silicone：Made of 100% high quality food grade silicone to ensure the quality and safety of you and your family. Compared with competitors who use cheap filler ingredients to make silicones. 2. Compatible Fit：various sizes are available. There are 22cm, 24cm, 26cm, 28cm, 30cm, 32cm for you to choose to fit your pressure cooker, the size is perfect, can be sealed during the pressure cooking process without escaping steam. 3. Dishwasher Safe：Our silicone seals can be used in dishwashers. Our cold and hot silicon pressure rings can withstand temperatures from：40 to 500 degrees. Just place the lid in the dishwasher for cleaning boil it slightly with water. 4. Isolate Flavors：Because we use higher grade silicones, our silicone seals can better reduce odor absorption during cooking. However, it is important to have additional seals when cooking different types of food. Use one of our silicone seals for sweets, such as lemongrass, orange chicken or sweet bond cakes; use a silicone seal for savory foods, for example, chicken Indian curry, curry. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.