Tennis balls are divided into balls and blankets. The balls are made of rubber. The wool content of the game ball felt is very high, while the wool content of the training ball felt is not high. Also, the game ball is full of air pressure. It will run out of gas after playing for a period of time. It is not very durable.

Tennis was conceived in France, born in Britain, and popularized and formed in the United States. It originated from France in the 12th and 13th centuries. At the first modern Olympic Games held in Athens in 1896, the men's singles and doubles of tennis were listed as official competitions.