Pro Jewelry Round Acrylic Floating Charm Locket Screw Top with Necklace Quantity: 1 Set Necklace 28" + Locket 30mm Material Chain : Alloy Metal Silver Plated (Lead & Nickel Safe) . acrylic Lockket Clear Rasin locket opens to add charms of your choice, Screw Top Open Fits: Floating Charm Lockets Charms and Pendant