My dog is 6 pounds and thin and the size small fit her perfectly.

So cute fits well dog is small 13pds ordered a large

It was beautiful, I asked for it in XL because she is a bit long and it is not tight, as I like that everything is super good, it is thick as for her, nothing to say is precious the jacket.

Very cool jacket. Ordered for a French Bulldog 2 years size L. Size neck circumference 33 cm, neck-to-the-head length 39-41 cm, bust 53 cm