Lid knob is a spare part of glass lid, it can be made with silicone, plastic, aluminum and other materials as need. It is easy for installation, that is composed knob, gasket and screw together is ok. Before factory, this knob installed on the glass lid or packed indepdently are both available.
As usually, this knob is made with black, if you need other colors, we also can be made to meet customers' requirement, such as red, orange, white and etc.