It is a pack of 12 pcs for 6 pairs. It is a replacement for piercing earrings backs. Keep your earrings secure and comfortable with these stainless steel hypoallergenic locking earring backs. Designed for durability and ease of use, these earring backs are perfect replacements for lost or unreliable earring closures. Their innovative locking mechanism ensures your studs stay in place all day, giving you peace of mind without compromising on style or comfort. Key Features: Material: Made of high-quality stainless steel, resistant to tarnish and rust. Hypoallergenic: Safe for sensitive skin, preventing irritation or discomfort. Secure Fit: Locking mechanism ensures your earrings stay in place. Universal Compatibility: Fits most standard stud earrings. Durable Design: Built to last for long-term use. Easy to Use: Effortless to attach and remove while staying firmly locked. Perfect for everyday wear, special occasions, or as a reliable replacement, these earring backs provide the ultimate combination of security and comfort. Say goodbye to lost earrings with this must-have accessory!