These are polished Turbo imperialis shells in the natural green or natural jade color. The medium shells measure 3.5" to 4.5" from the opening across the shell length-wise. The shells will vary a bit as they are natural items.
Commonly known as alikrekel, periwinkel, and maggi pie.
Turbos are not an endangered species and are not subject to CITES controls.
A USFWS export permit is required for all shipments outside the U.S.