Size Chart:<br> Size----Neck-------------Chest-----------Clothes Length<br> <br> S-------24cm/9.4inches-------36cm/14.2inches----- 24cm/9.4inches<br> <br> M-------28cm/11.0inches------42cm/16.5inches----- 29cm/11.4inches<br> <br> L-------32cm/12.6inches------48cm/18.9inches----- 34cm/13.4inches<br> <br> XL------36cm/14.2inches------54cm/21.3inches----- 39cm/15.4inches<br><br> 2XL-----40cm/15.7inches------60cm/23.6inches----- 44cm/17.3inches<br><br> Please CHECK dimensions carefully before you decide which size to buy.<br><br> Size up if your pet's body length is longer than normal.