Scottish Black Watch Tartan Dog Coat Available In 3 Sizes Our tartan dog coat is designed to give your dog added protection against cold weather. Small: Coat Length: 30cm, Jack Russell, Border Terrier, Pekingese Medium: Coat Length: 40cm, Cavalier King Charles, Fox Terrier, West Highland Terrier Large: Coat Length: 50cm, Beagle, Springer Spaniel