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 may be black or crystal white due to different production batches. GREAT QUALITY - Crafted 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 studs with the alcohol pad, mark the desired spot, hold the ear piercing tool in place over the mark, press firmly until the needle seat detaches, then remove the tool. 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. Note: This is a self-destructing, single-use kit. Do not attempt to test or press the device before use.