KOKUTAKU Lightweight Tacky Rubber Sheet SONIC BOOM 2.1mm Medium Hard Sponge Ping Pong Rubber for Training

High-concerned chemical: None. Rubber: Pimples In. Origin: Mainland China. Item: KOKUTAKU SONIC BOOM. Structure: 2.1mm high density sponge tacky rubber. Feature: Overall Good Performance for All-around Players. Fit for: Professional table tennis rubber for training. KOKUTAKU Lightweight Tacky Rubber Sheet SONIC BOOM 2.1mm Medium Hard Sponge Ping Pong Rubber for Training. Item: kokutaku sonic boom. Type: Tacky Rubber. Sponge: High density sponge 2.1mm. Features: Highly tacky rubber with good friction, easy to drive loops for beginners. New Technology blue sponge, it's lightweight, but of explosive inner power. Very nice table tennis training rubber for beginners or senior players