Premium Butterfly Pan Asia P10 Table Tennis Racket Penholder Ping Pong Rubber on one-side only (Penholder Grip) Racket Thickness : 9mm / Sponge thickness : 2.0mm Weight : 120-130g Upper grip : Artificial cork / wood handle, Standing Bottom : Artificial Cork Rubber Certified : The International Table Tennis Federation (ITTF), Japan Table Tennis Association (JTTA)