Wholesale Large Tonna Galea Shells for Sale, Giant Tun measuring between 7 inches and 7-7/8 inches.  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.