Our Zack & Zoey Basic Pet Hoodies are made from soft poly/cotton for a comfortable, cozy fit. These pet sweatshirts are available in nine bright colors. Recommended Sizing By Breed Teacup Dogs Under 5 lbs. XX-Small Toy Poodle, Pomeranian X-Small Chihuahua, Yorkshire Terrier Small Jack Russell Terrier, French Bulldog Small/Medium Pug, West Highland Terrier Medium Beagle, Boston Terrier Large Boxer, Labrador Retriever X-Large Golden Retriever, German Shepherd XX-Large Mastiff, Great Dane