limited turtle edition green turtle ringSizes: the ring is adjustable in size thanks to an opening Diameter of the turtle: 8 mm 10 mm Materials Our new wave sea glass is truly unique and an accessory that lets you show your love for the ocean. We use upcycled green sea glass to create the turtle for this stunning piece. The ring is available in 925 sterling silver and 18k gold plated with a 925 sterling silver base. Both versions feature an anti tarnish coating.