Stay hard longer! Since ancient times in China, special ointments have been used to increase sexual endurance. Today, this advanced formula cream contains Benzocaine to lightly numb the penis in a very light mineral oil base. Apply a small amount of China Long Play to the head of the male organ. Rub until ointment disappears. 0.5 ounce tube. China Long Play Original Package from Nasstoys of New York.