Genuine Sterling Silver - Handcrafted from 100% recycled sterling silver. Sterling Silver is a mix of 92.5% silver with alloys to add strength and durability. Jeweler's Quality - Handcrafted jewelry made by Artisans & Silversmiths in Thailand. Manufacturer's warranty against defects. Hypoallergenic & Nickel-Free - Our allergy-friendly sterling silver is hypoallergenic and tested to be free of nickel. Jewelry Bag - Your Boma jewelry will arrived pre-packed in a branded jewelry bag, making it a great gift for Valentine's Day, Christmas, Mother's Day, anniversaries, birthdays and special occasions Our Promise - We promise first-class service, fast & reliable shipping, excellent communication with Amazon's 30 day refund & return policy. Boma Sterling Silver Butterfly Necklace - This butterfly necklace features swirls of silver on a 16" chain with 2" extender and spring ring clasp. Boma Jewelry: Guaranteed for Life. NA 1980