This is a beautiful lot of Turbo Shells. These shells will come both natural and polished. We will send you A mix of Turbo shells like are shown in the photo in various sizes with imperfections and defects they are not man made. Please be very aware each lot is slightly unique no 2 bags are the same except the amount we put in the bag. The sizes of each shell Generally range from Tiny, small to large in every lot. The shells in these lots will have mouth openings from Around & Between 1/16"+ to 1" in size. Please note that these shells are not just for crabs they can be used for anything you can imagine.