Stiga Innova Ultra Light Table Tennis Rubber INNOVA ULTRA LIGHT is about 15% lighter than conventional tires. This soft sponge, combined with ACS technology, gives an excellent feeling. And also get more power as well Is the rubber that provides the most feeling and touch for players STIGA has developed the Air Capsule System (ACS) table tennis rubber technology that will revolutionize table tennis. ACS technology helps to achieve very high speeds. Along with the rebound and flexibility in the tires that are very light While the control is still excellent There are only two versions of STIGA's ACS technology from STS, which are STIGA INNOVA and STIGA INNOVA ULTRA LIGHT. STIGA's ACS technology uses a very small number of bubbles with a thin wall. Thin wall shelf These help to get tires that are light. And has more bubbles This advancement in technology greatly increases flexibility and rebound. Resulting in the best possible rotation speed and power Control: 9 Spin: 10 Speed: 12 Thickness: 2.1 Sponge Hardness: Soft