Need help finding the perfect fit? M - 32x25x7 in / 80x64x18 cm - AFFENPINSCHER, BOLOGNESE, CHIHUAHUA, ITALIAN GREYHOUND, JAPANESE CHIN, JAPANESE TERRIER, MALTESE, MINIATURE DACHSHUND, MINIATURE POODLE, NORFOLK TERRIER, PAPILLON, PHALENE, POMERANIAN, YORKSHIRE TERRIER L - 40x30x8 in / 100x75x21 cm - BEAGLE, BOSTON TERRIER, COCKER SPANIEL, DACHSHUND, FRENCH BULLDOG, JACK RUSSELL, MINIATURE SCHNAUZER, PUG, SCHNAUZER, SHIH TZU, WESTIE, WHIPPET XL - 47x37x8 in / 120x95x21 cm - AMERICAN STAFFORD, AUSTRALIAN CATTLE DOG, BASSET HOUND, BOXER, BULL TERRIER, DOBERMANN, GERMAN SHEPHERD, GOLDEN RETRIEVER, LAB RETRIEVER, POODLE, SIBERIAN HUSKY *Note: these recommendations are based on average dog breed sizes. Is your dog larger than average, or are you unsure about the size? Choose one size larger than stated above. Satisfaction Guaranteed We understand there’s only one opinion that matters above all, that of your own fluffy friend. That’s why MrFluffyFriend™ gives you a 30-day satisfaction guarantee, so your pet can experience the benefits of living an anxiety-free life. If you or your fluffy friend decide it’s not the perfect fit, a full refund is assured!