Sterling Silver Duck Necklace on Adjustable Sterling Chain - Duck CharmSterling Silver Duck Charm Necklace Little sterling silver duck charm necklace is 3 4 of an inch tall and has the design on both sides. So cute! The charm comes with a 16 20 inch adjustable chain OR as a charm only, with no chain included. Choose your option before checkout. Each item comes in a cute box ready for gift giving, without a receipt. If you'd like to include a gift message, let me know at checkout. Items are shipped USPS First Class.