21 yards / inner length 13.5cm
22 yards / inner length 14cm
23 yards / inner length 14.5cm
24 yards / inner length 15cm
25 yards / inner length 15.4cm
26 yards / inner length 15.8cm
27 yards / inner length 16.3cm
28 yards / inner length 16.9cm
29 yards / inner length 17.6cm
30 yards / inner length 18.2cm
31 yards / inner length 19cm
32 yards / inner length 19.5cm
33 yards / inner length 20.2cm
34 yards / inner length 20.9cm
35 yards / inner length 21.5cm
36 yards / inner length 22cm

1. Asian sizes are 1 to 2 sizes smaller than European and American people. Choose the larger size if your size between two sizes. Please allow 2-3cm differences due to manual measurement. 

2. Please check the size chart carefully before you buy the item, if you don't know how to choose size, please contact our customer service.

3.As you know, the different computers display colors differently,  the color of the actual item may vary slightly from the following images.