This is a dainty and delicate .925 Sterling silver necklace. The chain is a custom, 18 inch box link chain with a 2 inch adjustable extension. The complete chain length is 20 inches. The dainty footprint is approx 1/2 and dainty wing approx 1/2 are both .925 Sterling silver. It comes with a Swarovski Crystal birthstone of your choice that is wrapped in solid Sterling silver wire. Please leave the month in the notes box during checkout. Sterling silver should be polished regularly, and it is not recommended to wear Sterling silver in water.