Quick Kids aluminum jr. racquet ideal for QuickStart Tennis and Play N' Stay formats. 

19" size Fits child 39" - 43" tall. Headsize: 93 in. sq  Length: 19" Weight: 6.0 oz (strung) 

21" size Fits child 43" - 47" tall. Headsize: 93 in. sq Length: 21" Weight: 6.5 oz (strung)

23" size Fits child 47" - 51" tall. Headsize: 93 in. sq Lenght: 23" Weight 7.3 oz (strung)

25" size Fits child 51" - 55" tall. Headsize: 93 in. sq Lenght: 25" Weight 7.8 oz (strung)