Size 7 inner diameter: 0.7 in (1.73 cm)
Size 7 outer diameter: 0.8 in (2 cm)
Hoop width: 0.2 in (0.6 cm)
Weight: 0.05 ounce (1.4 g)
1. Avoid wearing during exercise, as sweat will react with the jewelry to produce silver chloride and copper sulfide.
2. While wearing the pearl necklace, avoid exposure to the sun and contact with highly volatile substances such as perfume and hairspray, as it will easily fade in color and lose its luster.