These bivalve clam shells come naturally unpaired with a beautiful purple color inside, which makes for a great crafting seashell. They come bulk in a 1 pound bag.
A bivalve shell is part of the body, the exoskeleton or shell, of a clam or other mollusk. In life, the shell of this class of mollusks is composed of two parts, two valves, which are hinged together. Bivalves are very common in many kinds of saltwater habitats.