red(红色) purple(紫色)

size 26/inner length about 16.6cm(26码/内长约16.6厘米) size 27/inner length about 17.1cm(27码/内长约17.1厘米) size 28 inner length/about 17.6cm(28码内长/约17.6厘米) size 29/inner length about 18.1cm(29码/内长约18.1厘米) size 30/inner length about 18.8cm(30码/内长约18.8厘米) size 31/inner length about 19.5cm(31码/内长约19.5厘米) size 32/inner length about 20.0cm(32码/内长约20.0厘米) size 33/inner length about 20.5cm(33码/内长约20.5厘米) size 34/inner length about 21.0cm(34码/内长约21.0厘米) size 35/inner length about 21.5cm(35码/内长约21.5厘米) size 36/inner length about 22.0cm(36码/内长约22.0厘米) size 37/inner length about 22.5cm(37码/内长约22.5厘米)