Ornate Heart Floating Locket Necklace - Old School Geekery TM - Silver Toned Locket on a 20 Inch Necklace Chain - Approximate 18mm Internal Diameter - Fits 3-4 Charms Plus Birthstones Fits 3 to 5 Old School Geekery TM Floating Locket Charms + Birthstones Each Locket Comes in a Jewelry Gift Box - Ready for Gift Giving Old School Geekery Brand - Exclusively distributed by Midwest Cord Old School Geekery Lockets are Compatible with all Major Brands of Floating Locket Charms Locket and Chain Only - Any Charms, Window Plates, or Back Plates shown in photos are sold separately - they are shown for size demonstration only.