The Babolat Comet 21 is suitable for kids aged 4-6 years old or who are within the height range of 101-113cm.
 
Strung Weight: 210g/7.4oz
Length 21 inch / 53cm
Head Size: 95 sq.in /612 sq. cm
Composition: Alloy
String Pattern: Mains = 16 Crosses = 18