Set of 60 Pro overgrips, used by professional tennis players including Roger Federer - very thin and very stretchable felt for optimum feel, made of polyurethane - designed to provide optimum performance with advanced dirt and wear - reduced thickness at both ends for easy application - contents: 1 x Wilson Pro Overgrip Set, 60 refills, material: Polyurethane, colour: White, WRZ4024WH.