Size----Neck-------------------Chest-------------------Body-------------------Weight XS------19cm/7.5inches------31cm/12.2inches----- 20cm/7.9inches-------- <3.3lb S-------20cm/7.9inches------36cm/14.2inches----- 24cm/9.5inches-------- 3.3-5.5lb M------24cm/9.5inches------42cm/16.5inches----- 30cm/11.8inches------ 5.5-8.8lb L-------31cm/12.2inches------48cm/18.9inches----- 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.

Great for summer time and outdoor activity. Easy-to-wear and easy to take care of. Cute security pattern printed in the back. 50% Cotton, 50% viscose, comfy and breathable. For pet under 3.3lbs. eg, Chihuahua puppy, kitten and newborn puppy.