Pearl Umbonium Button Top Seashells - Bulk Craft Shells
Pearl Umbonium Seashells are commonly known as Button Top Shells and are a small round shaped pearl shell. They come bulk in a 1 kilo (2.2 pound) bag, which makes it easy to buy for shell crafts and fillers.
Umbonium, is a genus of sea snails. The shells of the species in this genus are low-spired and shaped like a button, and the umbilicus, or hollow cone-shaped space, of the shell is often completely covered with a thick and smooth callus.