The Killerspin 419-03 Max Fortissimo-High Tension Table Tennis Rubber, Black is an extremely innovative rubber made especially for high-level topspin players. The Fortissimo synchronizes modern table tennis technology to make this rubber unlike any other! The rubber consists of a hybrid top-sheet made of an elastic compound, which generates amazing rebound, as well as a soft compound that helps grab the ball and create more spin. Equal components of natural and synthetic rubber give an extra spring effect. The Killerspin 419-03 Max Fortissimo-High Tension Table Tennis Rubber, Black features the best of "East meets West", incorporating a made-in-Japan sponge, ideal for powerful top-spin shots, as well as German "Torqsion Technology", which is stronger than normal tension standards, giving the rubber an added performance edge. All of this technology is protected by Killerspin"s plastic bag to maintain the rubber"s integrity from production to the court. This rubber is also ITTF approved. The product comes with a 30-day limited warranty. Table tennis is a sport that can be enjoyed by individuals of any age and physical ability. Playing table tennis is a great way to stimulate the brain and promote quick thinking while improving hand eye coordination. Killerspin was built to bring youth and innovation to one of the world"s most beautiful sports, and to serve the table tennis player. The Chicago-based firm produces premium-quality table tennis equipment, sports apparel and media.