Bulk Tiny Black Umbonium Shells for sale are sold in a 2 kilo bag (4.4 pounds). These tiny button shells measure between approximately 1/4 inch to 1/2 inch in size. Umboniums are sometimes known as the "button top shells".
These shells will vary in color from light gray to dark gray.
THIS IS A BULK BAG OF TINY BLACK UMBONIUIM SHELLS. THEY ARE COMMERCIAL GRADE, PERFECT FOR USE IN ART AND CRAFTS. THERE WILL BE SOME SAND AND GRAVEL IN THE BOTTOM OF THE BAGS AND SOME OF THE SHELLS MAY BE CHIPPED.
THEY CANNOT BE EXPORTED.