Official shell ID card of The Bailey-Matthews National Shell Museum in Sanibel Island, Florida. High quality images of 148 seashells found on the beaches of the southern Gulf of Mexico. Each shell has its scientific name, common name and average size. This 2-sided, tri-folded, laminated pamphlet is waterproof so it's safe to bring to the beach.

This card says Sanibel & Captiva shells, but almost all of the shells can be found on the Gulf of Mexico beaches, even the Panhandle.