FCL Designs - Marine Corps Theme Floating Charm Locket Necklace Ready to Wear Floating Charm Locket Necklace 25mm CZ Silver Medium Round 316 Stainless Steel Floating Charm Locket 21.7" Stainless Steel Rolo Link Chain with Lobster Clasp. 6 Floating Charms: Marine Corps Emblem, Marines Silver Oval, USA Flag, Red Star Crystal, White Star Crystal, and Blue Star Crystal. Our Floating Charm Lockets are 3/16" thick with glass on each side. They have a hinged opening, and are held tightly closed with magnets. The charms can be removed.