The specialty of this group of rubber matching with the blue collodion, the characteristics of soft ball lets ball control stabler revolving to be stronger, suits pursues high revolving and player of the speed control proper attention to both uses, is low-cost, the service life ultra long time, the above the price in value is worth purchasing.

• Thickness: 1.0mm suits the cut defense use, the stability and revolving are high.  
• Thickness: 1.5mm suits the RPB back-hand use, takes the smashing attack and returns to cut primarily, the weight light skill bears few.
• Thickness: 2.0mm suits the RPB back-hand and shake-hand use, gives priority to the back-hand stable loop drive, the velocity of whirl gives dual attention stably.
• Thickness: 2.2mm suits the RPB back-hand and shake-hand use, gives priority to the back-hand intense loop drive, the revolving high velocity gives dual attention.