... makes the ball driving at the middle-table and distant-table more speedy and arc line lower.Sponge thickness: 2.2mmSpeed ... and products: Table tennis equipment: Racket, blade, rubber, sponge, table, clothes, shoes, glue, bat cover, bag and all kinds ofaccessories. Table ... Racket, blade, rubber, sponge, table, clothes, shoes, glue, bat cover, bag and all kinds of accessories specially for you ...