Sterling Silver Bow Necklace By Potiega Sterling Silver Bow Necklace By Potiega Sterling Silver Bow Necklace By Potiega Bow Necklace Silver NA KD. Pieces: 1 piece Includes: A matching box. Material: 925 sterling silver Care instructions: Avoid wearing during exercise, as sweat will react with the jewelry to produce silver chloride and copper sulfide, which causes the jewelry to deteriorate and corrode over time. Imported Product Measurements (Measurements by inches) & Size Conversion Size Chain length One Size 15. 7