Product details:
 
The BLUEGRIP S1 with the slightly harder sponge version and the BLUEGRIP S2 in the softer sponge hardness (42.5 °) are fusions of the sponges of the top sellers ACUDA S1 and S2 with the attributes of Chinese rubbers (top rubbers). The result is hybrid rubbers that are easy to control due to the sensitive, dynamic sponges and allow maximum rotation (spin) due to their sticky, extremely grippy surface.

BLUEGRIP S1
Technology: Dynamic, medium-hard, medium-pore sponge, sticky upper rubber
Character: Extremely grippy and dynamic, enables precise strokes
Recommendation: For offensive players who attach great importance to perfect coordination of rotation and speed
 
Additional product details:
 
Speed: 113
Control: 91
Spin: 120
Characteristics: Offensiv
Rubber-Type: Pimple in