Bottle stopper soft drink

The stopper consists of two parts: the stopper and the sealing washer. The stopper is made of black vulcanized rubber. It consists of a head and a stem: the head is frustoconical with a flat top, while the stem is cylindrical with threads and a flat tip. The perimeter of the head has vertical indentations molded into it. The washer is made of orange-red rubber; it is also truncated cone-shaped, and rests on the lower base of the head; the washer is cracked; the top of the stopper is textured, in the form of concentric circles of dots.