Pet Dog Sweater Pullover Christmas Snowman Red and White for Small Pets M (SG): length 8.5"; girth 14"; neck 8.5" recommended for pets about 4 lbs L (SM): length 10.5"; girth 16"; neck 9" recommended for pets about 7 lbs XL (MM): length 12.5"; girth 18"; neck 11" recommended for pets about 10 lbs XXL (ML): length 14.5"; girth 19.5; neck 12" recommended for pets about 12 lbs