It is used to solve the problem that the silicone gasket is often washed off, making the float for loose and the unusable 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 of the for flexible silicone, soft and, safe to use Suitable for many models of high power pressure cookers, please measure your size before ordering This spare will keep your damaged cookware working