The ring-tailed lemur is a relatively large lemur. Its average weight is 2.2 kg. Its head-body length ranges between 39 and 46 cm, its tail length is 56-63 cm, and its total length is 95-110 cm. The ring-tailed lemur's tail is ringed in alternating black and white transverse bands (12-13 white rings and 13-14 black rings) and always ending in a black tip.