TIBHAR AURUS. High catapult energy for outstanding speed is combined with exceptional spinning possibilities due to the ultra soft rubber surface. Although you will use very little strength, the ball will be loaded with spin and speed due to the SPI (Speed Effect Inside) technology. The exclusive rubber surface permits better consistency and a longer life expectancy due to the enhanced durability. ( The sponge colour on Aurus is creamy white ). A great feeling and well controlled top spin attack rubber!