Prince Tour XX SPIN 1.25mm PRINCE TOUR XX SPIN 17 Single string package, unopened: 1 string Roll cut: 1 string Total: 2 strings Color: Black "Bites!" Strong spin from uniquely shaped polyester This string generates intense spin with five large grooves created by the Five Valve manufacturing process. Japanese-oriented polyester that minimizes impact while utilizing high heat-resistant, newly formulated polyester and a new structure to generate power. Tour Double XX Spin 17 Release Date: Early September 2018 Color: Black Material: Polyester Construction: High heat-resistant polyester + Five Valve manufacturing process Made in Japan Type: String Use: Hard court