4 inches to 4-1/2 inches Large Pearl Turbo Shells for Sale, a White Turban Seashell used in beach wedding decorations and for shell collectors. The outer layer of the turbo shell was chemically removed, exposing the pearly white inner layer of the shell.  Our shells are real - not replicas.  They will have natural imperfections from living in the oceans and aging.  There may be a tag attached "Made in the Philippines.  This is a requirement of the US Customs Department.