♬Specially designed for 1/2inch bottle mouth threads, it has excellent sealing and can effectively liquid leakage and loss. ♬Suitable for various work environments, such as beverage, chemical, food and other industries, it is an ideal option to ensuring safe and efficient operate. ♬Make of PU, it has good flexibility and elasticity. ♬Widely used in various bottle mouths, valves, pipe joints and other connection, especially suitable for sealing requirements of drinking water, beer, oil products and chemical liquids. ♬Whether in homes, laboratories, or industrial production, good sealing can be ensured.