The unique formula is designed to give the rubber a crystal clear appearance. The tower-shaped, vertically-aligned structure of the large pimples give an instant impact on the ball; at the same time, it uses low energy consumption to release the potential energy of the deformation and the elasticity of the rubber, making a balanced blend of speed, spin and control. Recommended for use in the mid to short court. Brand: 729 Friendship Model: 729-5 ping pong rubber Type: Tacky, pimples-in Hardness: 42°/45° Thickness: 2.2mm Style: Loop drive with fast attack Speed: 12 Spin: 10 Control: 12