cClassic Small Dog Clothes Pet Puppy Warm Winter Vest Fleece Cat Apparel XXS-XL

Size Chart:

XXS: Chest: 9.8 inch Back: 5.9 inch  recommend pet`s weight: 1.4-2.7lbs

     XS: Chest: 11.8 inch Back: 7.9 inch  recommend pet`s weight: 2.7-4.4lbs

       S: Chest: 13.8 inch Back: 9.8 inch  recommend pet`s weight: 4.4-6.6lbs

        M: Chest: 15.8 inch Back: 11.8 inch  recommend pet`s weight: 6.6-9.4lbs

                L: Chest: 17.7 inch Back: 13.8 inch  recommend pet`s weight: 9.4lbs-13.2lbs

                XL: Chest: 19.7 inch Back: 15.8 inch  recommend pet`s weight: 13.2lbs-17.6lbs