Material: Authentic 925 Sterling Silver. The Ring's Metal Content is at Least 92.5% Pure Silver. Hypoallergenic, Non-irritating to Skins. Unique Design: The Ring Was Designed with Celtic Knot Featuring a Flying Butterfly Which Decorates with Sparkle Cubic Zirconia, Pretty Cute and Beautiful, The Butterfly Ring Fits Your Everyday Wearing in Any Occasion. Gorgeous Birthstone: The Ring Adorns with Birthstone That Can Bring Good Luck and Fortune, Shiny and Dainty, Stone Hold Up Perfectly, Not Easy to Fall Out, Rounded Edge Makes it Scratch-Proof. Adjustable Size: This Lovely Butterfly Ring with Adjustable Design, You Can Wear It on Any Finger, Convenient and Practical, Easy to Wear or Take Off, Well Made and No Turning Green. Luxury Packaging: arrive in a box, Includes an Anti-tarnish Black Velvet Pouch and a Premium Quality Microfiber Jewelry Polishing Cloth to Clean, Buff, Protect & Maintain the Luster of Your Jewelry. 925 Sterling Silver Beautiful Birthstone Butterfly Rings Women stylish jewelry of Authentic 925 Sterling Silver, durable, anti-allergic, lasting, and color retaining, good for daily wearing.