Dunlop Viper Dry Replacement Grip delivers an ultra-dry and durable grip for optimal control during your swing. It's constructed with a PU skin layer, PU foam and a non-woven layer. Dunlop Viper Dry Replacement Tennis Grip is inspired by the deadly sand viper. The Viper Dry grip has an incredible ability to absorb moisture through perforations on the surface to create and ultra dry feel in all conditions. The result is a durable grip that gives ultimate control suitable for aggressive and attacking styles of play.