PACKAGE CONTENT - One pack includes: 1 piece ear piercing gun, 1 piece built-in earring, and 1 piece disinfecting cotton pad. 8 packs in total. Earring studs may be black or crystal white depending on production batch. GREAT QUALITY - Made with high-quality, safe metal materials. Stud material is cubic zirconia and surgical steel. Designed to minimize risk of irritation after ear piercing. Each unit is individually packed and sterilized to meet standard requirements. HOW TO USE - Disinfect the ear and earring stud with the included alcohol pad. Mark the desired piercing location. Hold the ear piercing tool and align it with the mark. Press the tool firmly until the needle seat detaches. Remove the piercing tool and leave the earring in place. Do not remove the earring immediately after piercing. UNIQUE DESIGN - Manufactured by a professional medical device producer to help prevent cross-contamination and inflammation. Each unit features a self-destructing ear-piercing gun with a built-in earring stud. WIDE APPLICATION - Suitable for both professional and home use. This is a single-use, self-destructing kit. Do not attempt to test or reuse the device.