For advanced players who want a little extra power, the Killerspin 420-02 Blast Table Tennis Rubber - 2.0mm. - Red features cutting-edge technology to help you win at the table. An extra-tough top sheet gives you a powerful shot, while the combination of natural and synthetic rubber generates a spring-like effect. The elastic compound provides the rebound, while the softer compound spins it. Complete with a top-of-the-line Japanese sponge for power and German 'Torqsion Technology' for performance.