Features: new and high quality You will receive 15pcs pressure cooker gaskets, suitable for different types of pressure cookers. Not more worrying about missing part. First insert the smaller side of the float into the top of the handle and then place the seal on the smaller side so that the float remaining in the grooves of the valves. The pressure cooker seal is selected from silicone, you can use it safely. The silicone lid wears out due to all the heat and pressure in the cookware. You can also lose one when you clean lid. So prepare a few more for easy application. These accessories also suitable for commercial kitchens in restaurants and hotels, ensuring accurate and safe food processing on a large scale. Specifications: Material:Silicone Size:Approx.1.4x0.6cm/0.55x0.23inch Package Includes: 15Pcs Valves Seal Rings note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.