The thin, yellowish-brown shell has an elongated to ovate-quadrangular shape and shows anterior spiral grooves.

[2] For the actual animal, the body including the foot, head shield, and eye stalks are a very light beige color with a reddish area appearing around the base of the shield.

Bulla Quoyii prefers sub to intertidal areas with sandy or rocky bottoms.

Bulla quoyii is a grazer feeding primarily on Algae however it also occasionally consumes Ulva or the film layer of different sea grasses.

Bulla quoyii is a hermaphrodite species that lays an ovoid consisting of a jelly like protective layer and the spiral shaped eggs that appear in a reddish, orange color.