Case of wholesale black umboniums shells, button top shells are perfect for shell crafts. Black umbonium shells, button top shells measure between approximately 1/4 inch to 1/2 inch in size. Umbonium, sometimes known as the "button top shells", is a genus of sea snails. in the family Trochidae, the top snails. The shells of the umbonium are low-spired and shaped like a buttonThese tiny shells are perfect for making seashell Christmas ornaments, shell mirrors, shell flowers, shell wreaths, shell characters, shell wind chimes or chandeliers, If you are making seashell centerpieces and looking for tiny craft shells, black umbonium would make the perfect accent to your shell arrangement

Our shells are commercial grade. All seashells sold in bulk, by the gallon and by the kilo will contain some unusable shells and there will be a little gravel in the bags!