Rozena employs the rose-dyed Spring Sponge technology as its name suggests, as well as High Tension technology This rubber helps compensate for subtle racket angles and directional swing errors, creating a sense of stability As fast as Tenergy 05 with more spin than Tenergy 64, but more forgiving and easier to use Pairs well with Timo Boll ALC blade, as well as Innerforce Series, Viscaria, Petr Korbel, and Timo Boll CAF Butterfly Free Chack II recommended when assembling Rozena, Tenergy, and Dignics table tennis rubbers.