The seventh generation VCORE 25 is a masterpiece of technology and craft.! This racquet's 25 inch length makes it perfect for junior players, age 9-10. Yonex gives this racquet many of the premium technologies that are featured in its adult performance line. This racquet also has an ISOMETRIC head shape, a time-tested feature that makes Yonex racquets more comfortable and forgiving than competing brands. This racquet also comes with a16x18 string pattern, which helps with the generation of spin. By offering the benefits of a tour-level racquet without the cumbersome size and weight, Yonex has delivered an outstanding option to the rising junior player.