Package Content -2 Ear guns with 2 4mm gold gemstone earrings. Each unit combines an ear piercing gun, a built-in ear stud, and an alcohol pad. Tip: You cannot immediately remove earrings after wearing them. Wait for about a week, try not to let the wound get wet in the first three days. Safety Ear Piercing Tools - Ear piercing tools are made of sterile medical grade safety materials, individually sealed and packaged, sterile and disinfected to avoid cross infection and inflammation during ear piercing. Easy to use - disinfect ears with alcohol cotton pads. Then use a marker to mark the location where you need to pierce your ear. 2. Hold the ear hole and aim for the location where you need to pierce the ear. 3. Place the back of the ear piercing gun close to the skin and slowly push the ear piercing gun until the ear needles come into contact with the skin. 4. Use your thumb to forcefully press on the ear gun. Convenient - Mini size, easy to grip, precise positioning of perforation position. No pain, no inflammation, no snoring, you can perform the surgery yourself. Widely used - suitable for first-time use or professionals. No pain, no inflammation, no snoring, you can operate it yourself. Product validity period: 5 years.