Product Review

Size----Neck-------------------Chest-------------------Back-------------------Weight

XS------17cm/6.7inches------31cm/12.2inches----- 20cm/7.9inches-------- <3.3lb

S-------20cm/7.9inches------35cm/13.8inches----- 25cm/9.8inches-------- 3.3-5.5lb

M------22cm/8.7inches------42cm/16.5inches----- 29cm/11.4inches------ 5.5-8.8lb

L-------28cm/11inches------50cm/19.7inches----- 34cm/13.4inches------ 8.8-13.2lb

Please CHECK dimensions carefully before you decide which size to buy.

Size up if your pet's body length is longer than normal.