The new developed rubber of backhand is especially designed for the blade for the in-organic oriented era. It has excellent control spin with a delicate curve and good feel. Moreover, it is helpful to control the player's power by which the oppoent's attacking pace can be easily disturbed. The sponge with upgraded-formula is good at controlling, absorbing shock and accelerating the return speed, all of which can make spin and the force of impact less strong, improving the ability of midrally strokes of backhand, and speeding half volley and bounce as well. So, the new rubber can strengthen the attack of backhand and it is definitely the first choice to the backhand player whose style is quick attacking loop.