Prince Maria Jr.Tennis Racquets (Prestrung) Head Size 82 sq in. - 110 sq in. depending on length Weight 7.1-8.9 oz. depending on length Composition Fusionlite Alloy I-Beam Grip Technigrip AirO Large grommet technology at 3 & 9 o'clock engineered in lightweight aluminum alloy. This racquet ships pre-strung