If you're looking for premium table tennis balls, UTableTennis.com has the of the top table tennis brands. Table tennis balls used to be made of celluloid, but now the standard has changed to plastic table tennis balls. In addition to the new plastic ping pong balls, the new balls are also larger. The size of the ball was made larger in order to slow down the game. The slowing down of the game has made table tennis more fan friendly because there are longer rallies and you are now able to see the ball better, even at the highest speeds. The new size ball is called the 40+ polyball. So, what is a 40+ polyball? The polyball is made of plastic and 40+ refers to the size of the table tennis ball. The size has been increased to just over 40mm. We carry all of the best ping pong balls such as Butterfly table tennis balls, Killerspin ping pong balls and Joola table tennis balls to name a few. Shop for your favorite table tennis balls online at UTableTennis.com today!