Table Tennis Rubber: Back, Soft, 729, Sticky, Tension, 813 Meteor A2 Two-layer sponge The sponge has two different hardnesses! Moreover, it's an integrated sponge! (Sheet side) 37 degrees + 39 degrees (Racket side) Color: Black Manufacturer: Meteor (729) 813Pro Beyond Hurricane!!! China National Team's latest technology! Sticky sheet + Blue sponge! + Tension sponge #High-end rubber series This rubber's sponge has two different hardnesses. The sponge closer to the sheet side has a hardness of 37 degrees, and the sponge closer to the racket side has a hardness of 39 degrees. This sponge is integrated and not a two-layer sponge! 1. The upper layer sponge is soft, so it doesn't fly off the table and has excellent control! 2. The lower layer sponge is hard, so the more power you put in, the more power comes out! 3. Limited to professional players, a secret weapon of the Chinese national team, not sold in Japan! ~~~~~~~~~~~~~~~~~~~~~~~~~~ Table Tennis Rubber Racket Shake Hand Chinese Pen Ball Holder Butterfly Tenergy Victas V15 Fastarc G1 S1 C1 Rozena Kyohyo NEO Neo Blue Sponge Viscaria w968 Cut Back Soft Film Sheet Sticky DHS Nittaku Kyohyo Ryuki 5 X W506 Front Pimple Anti Inner Force Outer Carbon Tension Rubber Uniform T-shirt Racket Case Plywood VICTAS Mizuno Yasaka TSP STIGA DONIC andro Joola XIOM DARKER TIBHAR Rakza Evolution Dignics 05 64 80 09C Vega Super Ventus Blue Pink SWAT Color Super ALC ZLC CNF Acoustic Carbon Hina Hayata Gao Yuan Lin Junru Franziska Koji Matsushita Mima Ito Tomokazu Harimoto Koki Niwa Kasumi Ishikawa Jun Mizutani Timo Boll Ovtcharov Zhang Jike Shunsuke Togami Ma Long Xu Xin Fan Zhendong