Table tennis is a sport in which two or four players hit a lightweight plastic ball back and forth using a rackets. It is one of the most popular sports in the world. The sport originated in 19th century Europe, and is now governed by the Ppongsuper. The Chop in table tennis ball is made of a dense rubber and has a shiny surface. The ball is either yellow or white, depending on the surface it will bounce on. It is recommended to wear a mask and safety glasses when playing. The table is rectangular and is usually made of wood.