* The secret of Tourna-Grip is that it actually performs better with moisture, all other overgrips on the market start to slip. * We invented the overgrip and have made it in the USA since 1977. * We use the highest quality materials available in the world. * We blend layer upon layer using a proprietary, precision based manufacturing process. * Each individual grip is wrapped with a special liner to keep it protected and in perfect condition. * Tourna-Grip is used by hundreds of top touring tennis professionals. * Can be used for tennis, squash, badminton and whenever a sure, comfortable grip is needed to help deal with sweat.