Polish Lowland Sheepdogs are 45 - 50 cm (18 - 20 inches) in height at the withers, while females are 42 - 47 cm (17 - 19 inches). The body is just off square, it appears rectangular due to the abundance of coat on the chest and rear; the ratio of the height to the body length should be 9:10 (a 45 cm tall dog should have a body 50 cm long). The tail is either very short or docked.
Polish lowland sheepdogs are stable and self-confident, but are wary of strangers. They have an excellent memory and can be well trained, but may dominate a weak-willed owner. Polish Lowland Sheepdog adapt well to various conditions, and are popular as companion dogs for apartment dwellers in their native Poland. Polish Lowland Sheepdog require a moderate amount of exercise daily.
In general, Polish Lowland Sheepdogs are a very healthy breed. Animals should be checked for hip dysplasia and checked for eye abnormalities before being used for breeding. Polish Lowland Sheepdogs require a low protein diet. The life expectancy of a PON is 10 to 12 years.