Tourna Grip Overgrip Roll (30x) Vinyl Case - BlueTourna Grip Overgrip Roll (30x) Vinyl Case Blue Super absorbent non slip with a spongy feel. Tourna Grip is the most absorbent overgrip in the world. It performs better with moisture instead of getting slippery. This is the original grip developed in 1977 and 80% of all tennis touring pros play with Tourna Grip. The original dry feel light blue grip that does not slip Super absorbent soaks up 350% of its initial weight Gets tackier when wet Includes