Size Chart:
Size------------Back--------------Neck-----------------Chest
S----------7.87"/20cm-------8.66"/22cm--------11.81"/30cm
M---------9.84"/25cm-------10.24"/26cm-------14.17"/36cm
L---------11.81"/30cm------11.02"/28cm-------16.54"/42cm
Note:
1. There could be 2-3cm differs due to manual measurement.
2. Due to the screen difference, the color may be a little different from what you expect, please allow it