Elephant polo is similar to traditional polo except for one major difference, they are on a giant elephant! The equipment that is used is similar to polo such as the ball and a longer mallet.
According to the World Elephant Polo Association Rule 1 of the organization section of the rule book:
1. The Game will be played by four players on each team. The game is played on a marked pitch of “100-120 metres x 60-80 metres”, using a standard size polo ball.
World Elephant Polo Association – http://elephantpolo.com/index.php/the-sport/rules-a-regulations.html
Photo – http://www.claytor.com/latestnews/