12 PCS BALL EARRINGS SET: One order contains 12 pieces (6 pairs) ball stud earrings. The size of the round ball is from small to large, which can meet your needs for multiple sizes. You can try different sizes of ball ear studs to match your daily clothes. CLASSIC DESIGN: The classic design of the round ball and butterfly buckle back will never go out of style, and is popular among women, men, teen girls and boys. Stainless steel barbell earrings studs are perfect for lobe earrings, tragus earring, cartilage earrings, helix piercing jewelry, conch piercing jewelry, etc. The screw-open design is easy to open and close, making it easy to wear on any body part. SIZE & COLORS:Size: 10 mm. Round Ball Size: 3mm,4mm,5mm,6mm,7mm,8mm. Colors You Can Choose: Silver, Gold, Black. Perfect Sizes and Colors for Ear Cartilage Piercing. HYPOALLERGENIC MATERIAL: Ball earring studs set is made of high-quality stainless steel, hard and durable. Prevent allergies. Not easy to fade and rust. Every ear stud is strictly tested and is good for your sensitive ears. Safe,healthy and comfortable to wear. IDEAL GIFT FOR CHOICE: Cute round ball earring studs is the best gift for your girlfriend, boyfriend, daughter, son, friends on Christmas Day, Valentine's Day, Birthday, Anniversary Day, etc.