Quantity: 1 Pair Material: 925 Sterling Silver Part Size : 9mm x 9mm Hypoallergenic, lead & nickel free Safe for sensitive ears Small Stud ( Post Length 10mm / 3/8" ) Lightweight, easy to take in and out, yet stay securely in place. Comfy (comes with Sterling Silver Butterfly back , Clear Silicone Bullet Clutch Ear Nuts for Earring Safety Backs and Little stored box ) 925 Sterling Silver Pink Enamel Roller Skate Stud Earrings (Nickel Free) 33571 Small Stud ( Post Length 10mm / 3/8" ) Lightweight, easy to take in and out, yet stay securely in place. Comfy (comes with Sterling Silver Butterfly back , Clear Silicone Bullet Clutch Ear Nuts for Earring Safety Backs and Little stored box )