7 to 7-7/8 inches Large Tonna Galea Shells for Sale, Giant Tun.  These large seashells are very light weight and are deep brown in color with rows of flat ridges on the exterior.  They have a wide mouth opening that is perfect for making a seashell floral arrangement or for displaying on a shelf. Its neutral color will blend with any interior.  Our shell are Real - NOT Replicas.  They will have natural imperfections and blemishes from aging and living in the oceans.