Your Pup will love these preppy cotton polos by Zack and Zoey. Polo features ribbed knit cuffs and two-button collar for a tailored yet sporty look. # A tailored yet sporty look for preppy pups # Two button collar adds authentic detail # Machine-washable for easy care Material: 100% Cotton Care: Machine wash cold on a gentle cycle. Line dry. Recommended sizing by breed: XX-Small: Teacup and dogs under 5 lbs X-Small: Australian Terrier, Chihuahua, Pomeranian, Toy Poodle, Yorkshire Terrier Small: Boston Terrier, Jack Russell Terrier, Maltese, Pug, Silky Terrier Medium: Bichon Frise, Beagle, Cocker Spaniel, Corgi, Scottish Terrier Large: Brittany Spaniel, Bulldog, Collie, Schnauzer, Springer Spaniel X-Large: Doberman Pinscher, German Shepherd, Golden Retriever, Labrador Retriever, Rottweiler XX-Large: Irish Wolfhound, Great Dane, Mastiff, Newfoundland, St. Bernard