Pure cork has natural textures, each one is different, so be cautious when taking photos if you mind. Material:Pure cork. 1 knob+1 Screw+2 bearing+4 gasket. 2 knob+2 Screw+4 bearing+8 gasket. 1 The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.
