The Parma wallaby is a small animal, with a length between 45-55cm, not including the length of the tail, which is about the same length again. It weighs around 5kg and has a thick, brownish-grey fur above and light grey fur ventrally. The shoulders and upper arms are often tinged with brown and a white moustache marking is present to a greater or lesser extent. The male of the species is larger and more robust than the female.