FOR PETITE PETS. RUNS SMALL. PLEASE SIZE UP. FOR SMALL PETS. Meticulously designed and ethically produced, Fancy You is crafted with 100% cotton and adorned with hand-sewn gold paillettes. It is a balanced combination of comfort and opulence for pets weighing 2-18 pounds. Each paillette is strategically placed along the back of this knitted garment for the optimal safety of your pet. For the pet that wants to be as fashionable as you are. -Small: length 10.5" long, for chests 11-13", necks 7-10" in circumfrence, Weight up to 10 pounds - Medium: length 12.5" long, for chests 13-15", necks 9-12" in circumfrence, Weight up to 20 pounds - Large: length 14" long, for chests 15-17", necks 11-13" in circumfrence, Weight up to 30 pounds