Glayzer incorporates Grey Spring Sponge X, which enhances power through spin in every stroke. The combination of a top sheet that grips the ball well and a durable, abrasion-resistant surface ensures a stable trajectory. With the Spring Sponge X's 38-degree hardness, this rubber allows players of various skill levels to deliver powerful topspin strokes from both forehand and backhand, focusing on spin and counter-attacking techniques.