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. Please note: earring studs are either 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. Will not cause infection after ear piercing. Individually packed and sterilized to meet standard requirements. HOW TO USE - Disinfect the ear and earring with the alcohol pad. Mark the desired piercing spot. Hold the ear piercing tool and align it with the mark. Press the tool firmly until the needle seat detaches. Do not remove the earring immediately after piercing. UNIQUE DESIGN - Manufactured by a professional medical device company to help prevent cross-contamination and inflammation. Each unit features a self-destructing ear-piercing gun with a built-in earring. 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.