These real Dentalium longitrorsum shells are sold in packs of ten shells. These are low quality shells because they may be discolored, pitted, or have other flaws.
These shells have a slight curve and circular openings at both ends. The shells are 1.5 to 2.5 inches long. We do not do further sorting by size or grade. These are low grade shells.
You will not receive the exact shells from the photos but something similar.