Size Differences2-3cm.Please take measure weight just for reference
XS Body length 19CM/7.48'' Chest 30CM/11.81''
S Body length 22CM/8.66'' Chest 34CM/13.39''
M Body length 26CM/10.24'' Chest 38CM/14.96''
L Body length 29CM/11.42'' Chest 42CM/16.54''
XL Body length 33CM/12.99'' Chest 48CM/18.90''
Please measure back length,chest and neck size of your pet. It is better to choose the dog T-shirt size based on the chest of your pet.
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