This is a Car & Walking Dog Harness - Medium - Up to 15kg - 2 in 1 Harness (Allpet). This adjustable harness can be used as a car restraint or walking harness.
Dog Sizing Guide:
Small: Dogs up to 10kg and chest up to 55cm. Bichon Frise, Cavalier King Charles, Maltese, Jack Russell, West Highland Terrier etc.
Medium: Dogs up to 15kg and chest to 65cm. Staffordshire Bull Terrier, Beagle, Scottish Terrier, Cocker Spaniel, Border Collie etc.
Large: Dogs up to 30kg and chest up to 90cm. Dalmatian, Doberman, Labrador, Boxer, German Shepard etc.
X-Large: Dogs 35kg+ and chest to 110cm. Bull Mastiff, Great Dane, Newfoundland, Rottweiler, Rhodesian Ridgeback etc.