Not sure what size? Check here and our size chart for reference.
Small (S): Cavalier King Charles Spaniel
Medium (M): Miniature Labradoodles and similar size breeds.
Large (L): Cocker Spaniels, Bulldogs, and smaller Border Collies.
Extra Large (XL): Standard Poodles, Labrador Retrievers, and Boxers.
Double Extra Large (2XL): German Shepherds, Golden Retrievers, Rottweilers, and Doberman Pinschers.