SANWEI ULTRA SPIN Table Tennis Rubber SANWEI T88 Ultra Spin Original SANWEI Ping Pong Sponge SANWEI ULTRA SPIN 40+ Pips-in Table Tennis Rubber SANWEI T88 Rubber Ping Pong Sponge The new version Ultraspin is a good selection for practicing which integrates speed, rotation, elasticity, management and weight, these five elements as a whole, to be able to improve the learning functionality of kids and newcomers This upgraded rubber is specially adjusted for 40+ new plastic ball, which is very commended by way of table tennis coaches Speed: 11 Spin: 11 Hardness: 39 Thickness: 2