7 PAIR SET—One Set Includes 7 Pairs in Silver Tone, Each Pair in 2mm/3mm/4mm/5mm/6mm/7mm/8mm, CZ From Tiny to Big, Meeting Your Needs of Multiple Sizes, Try Different Size Every Day SPARKLING CZ—20 Gauge(0.8mm) Pin Thickness, AAA+ Shiny Cubic Zirconia Well Inlaid, Elegant Cutting Skills, Absolutely a Visual Feast, Delicate Gifts for Your Friends and Families FLEXIBLE BACKS- Classic Internally Screw Thread Design, Keep Secure, not Loose or Fall off, No Worry of Losing, Convenient to Take on and Take off HEALTHY MATERIAL—Made of Solid Stainless Steel, Highly Polished Finishing and Strict Metal Electroplating Craft Create Super Smooth and Shiny Surface, Comfortable to Wear