The Doggy Dickey Fleece Neck and Chest Warmer for Small Dogs, XX-Small, Neon Green Chest size 8-12.5 Inch Example breeds: Chihuahua (under 9lbs), Toy Maltese, Teacup Yorkie Fits over harness or collar & under any coat Perfect for thin coated, small & senior dogs who easily become cold Neon color visible in low lighting