If you are someone who plays table tennis competitively you must consider getting the premium level table tennis balls from Stiga. Crafted to deliver precision the Stiga Competition 3 Star Table Tennis Ball is what players need. The table tennis ball can be used by both junior and senior players who play at the advanced level. Functions and Usability Available in packs of 3 the competition level Stiga tennis balls measure 40 mm in diameter which is the standard size for competition balls. The balls are made from celluloid and have machine stitching. The seamless design of the balls give them a consistent bounce and optimal performance. These I.T.T.F. approved tennis balls from Stiga add spunk and vibrancy you need in the high-speed game of table tennis. Stiga is a pioneer in creating high-quality table tennis equipment. With partners in over 100 countries and with over 60 years of experience the brand is now synonymous with table tennis. Stiga continually strives to better its products and invests in research to create innovative manufacturing technologies.