I have recently won an order on ebay for a whole bunch of shells, and may have some extras depending on what these shells actually look like once they get here. I will be measuring them with a shell caliper to know the shell size of the opening. All of the shells are either "d" shape openings and "o" shape opening and are the of mostly the preffered hermi homes. Most of these shells are names well known for the hermi's preference, though some even though right shape, not sure of the hermi's preference RAPANA SHARK EYE NAUTICA LINEATA WHALE EYE FROGSHELLS BABYLONIA TURBO Delphinula possibly by looking at the pictures some assorted snails shells and murex. It was a huge lot that I won, and I will most definitely have tons of extras as I only have 6 hermies at the moment, but do plan on another 6 shortly. If anyone is interested or possibly interested in some of these, please let me know and I will post sizes of these shells and which shells these are either "o" openings, and "d" openings. Once again it also depends on what the shells actually look like once they get here and that will depend on whether I sell them (reasonably priced) or possibly swap them for other hermie related items.