Where to buy? Fremont Table Tennis Academy carries table-tennis balls from Xiom with ratings of 1-star, 2-star, and 3-star. Balls can come in orange or white color. The ball should weigh 2.7 grams and be spherical. They can be both plastic and celluloid and changed from 38 mm to 40 mm in diameter after the 2000 Olympics. The goal was to slow down the game to produce more exciting rallies for TV and spectators.
In 2014/2015, balls changed again from celluloid to plastic. The standard balls used today in official tournaments are made out of plastic balls and are only available in 40 mm in diameter. The 40 mm balls made out of plastic are slightly bigger than 40 mm balls made out of celluloid.
What table-tennis balls to buy? The star rating system determines the quality of ball with the maximum 3 stars referring to the highest quality. Buy table-tennis balls according to your need. Official tournaments use only 3-star balls throughout the US and the world and are also used for the best playing experience and thus are the most expensive. 2-star balls are good for club play and lessons and are medium-priced. The 2-star and 3-star balls Fremont Table Tennis Academy carries are ITTF-approved. 1-star balls are fine for recreational play and are the cheapest to buy.