Labradors are medium-large, with males typically weighing 65–80 lb (29–36 kg) and females 55–70 lb (25–32 kg).[26] The majority of the characteristics of this breed, with the exception of colour, are the result of breeding to produce a working retriever.Labradors are a medium-large breed.The Labrador Retriever's coat should be short and dense, but not wiry. The coat is water-resistant, so the dog does not get cold when taking to water in the winter.The head should be broad with slightly pronounced eyebrows. The eyes should be kind and expressive. Appropriate eye colours are brown and hazel.Labrador Retrievers are registered in three colours:[26] black (a solid black colour), yellow (considered from cream to fox-red), and chocolate (medium to dark brown)

German Shepherds are medium to large-sized dogs. The breed standard height at the withers is 60–65 cm (24–26 in) for males, and 55–60 cm (22–24 in) for females.German Shepherds are longer than tall, with an ideal proportion of 10 to 8 1/2. The AKC official breed standard does not set a standard weight range.They have a domed forehead, a long square-cut muzzle with strong jaws and a black nose. The eyes are medium-sized and brown with a lively, intelligent and self-assured look. The ears are large and stand erect, open at the front and parallel, but they often are pulled back during movement. A German Shepherd has a long neck, which is raised when excited and lowered when moving at a fast pace. The tail is bushy and reaches to the hock.

The Pug is a breed of dog with physically distinctive features of a wrinkly, short-muzzled face, and curled tail. The breed has a fine, glossy coat that comes in a variety of colours, most often fawn or black, and a compact square body with well-developed muscles.Pugs have two distinct shapes for their ears, "rose" and "button". "Rose" ears are smaller than the standard style of "button" ears, and are folded with the front edge against the side of the head. Breeding preference goes to "button" style ears.Pugs legs are strong, straight, of moderate length, and are set well under. Their shoulders are moderately laid back. Their ankles are strong, their feet are small, their toes are well split-up, and their nails are black.The lower teeth normally protrude further than their upper, resulting in an under-bite.

The Pomeranian (often known as a Pom) is a breed of dog of the Spitz type that is named for the Pomerania region in Germany and Poland in Central Europe. Pomeranians are small dogs weighing 1.9–3.5 kilograms (4.2–7.7 lb) and standing 5.0–11 inches (13–28 cm) high at the withers.They are compact but sturdy dogs with an abundant textured coat with a highly plumed tail set high and flat. The top coat forms a ruff of fur on the neck, which Poms are well known for, and they also have a fringe of feathery hair on the hindquarters.

Rottweiler breeders aim at a dog of abundant strength, black coated with clearly defined rich tan markings, whose powerful appearance does not lack nobility and which is exceptionally well suited to being a companion, service and working dog."[3] This breed is all about balance, endurance, proportionality, intelligence and strength.he skull is of medium length, and should be broad, especially between the ears. The forehead line is moderately arched as seen from the side, with the occipital bone well developed without being conspicuous.The neck is strong, of fair length, well muscled, slightly arched, clean, free from throatiness.The tail is carried long. Historically the tail was traditionally docked at the first or second joint.