Pearl Turbo shells range from approximately 2 to 4". The outer layer of the shell has been removed to reveal the gorgeous pearl white layers inside. Pearl Turbo sea shells can be used for DIY shell crafts and beach wedding decor, among many other decorating ideas... Bring the beach home with one of our unique seashells, offered in a variety of sizes. Whether it's a souvenir from a recent vacation, decorative accent for any room, or part of your coastal craft, these high-quality shells are some of the lowest prices around.