Joola Dynaryz ZGRThe Dynaryz ZGR is the groundbreaking and long awaited fusion between a tacky and extremely grippy surface structure, and a springloaded powerful sponge. Combining the very best elements of table tennis rubber production, this exceptional rubber is a unique merging of Hyper Traction Surface and Hyper Bounce Sponge, giving players an expanded range of playing gears, and the ability to reach new thresholds of spin production and dynamic power. The