Butterfly Catapult rubber Table tennis ping pong bladeUp for sale is 1 (One) Butterfly Rubber Model name : Catapult (1. 9mm, 2. 1mm, max) Black or Red Choose the specific model, color, as well as thickness!! Because the molecules of caoutchouc add more tension and increase elasticity, it means more spin and speed. You achieve better control since both surface and sponge become much softer. CATAPULT contains very high tension in itself and is very soft. The sharp sound, heavy spin and high speed are proof