With a body that is longer than tall, the Sealyham Terrier is still well proportioned, having a lot of substance, even with such a small volume.
Rather free in his movements, he has a supple, balanced and active look, accompanied by astonishing power.
Between 29 and 31 cm (11.42 to 12.20 inches) for the male
Between 29 and 31 cm (11.42 to 12.20 inches) for the female
Between 8 and 9 kg (17.64 to 19.84 pounds) for the male
Between 8 and 9 kg (17.64 to 19.84 pounds) for the female
His coat can be evenly white, or with lemon, blue, brown or badger (dark grey) patches on the ears and head with a white background.
The uniform white version was selected for hunting, so that hounds could differentiate him from game.
His long hair is rough and rather harsh, and has a waterproof undercoat.
His head is rather broad, and has a dome-shaped skull with a muzzle characterized by a square, long and powerful jaw.
His round eyes are dark medium size. His ears are close together on the cheeks and are medium size.
His nose is black. His tail is usually shortened. When it is au naturel, it is long and carried straight.
According to the FCI breeds nomenclature, this breed belongs to group 3, section 2 and is #74