Features: Made of flexible silicone, soft and durable, safe to use. Insert the smaller side of the float into the top of the handle first, then place the seal on the smaller side so that the float rests in the groove of the for valve. It is used to solve the problem that the silicone gasket is often washed off, making the float for valve loose and the pressure cooker unusable. This spare will keep your damaged cookware working like new. Suitable for many models of high power pressure cookers, please measure your size before ordering. Specifications: Material: Silicone Size: As Pictured Package Includes: 1 Set Seal Ring(4 Pcs) note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.