Materials:Stainless Steel+Plastic Color: Blue Approx size: Gun: (11.5 x 8.5)cm Pen Length:12.5cm Storage Case:16.5*10*3cm How to use: 1. Pull back the Tension Regulator. 2. Place a piercing stud in the Adapter hole. 3. Pull the Trigger, the aiming slot is used as a guide for aim, please make sure the point of the stud is straight going to the aiming slot. 4. Press FIRE, forcing the stud through the flesh. Note: 1.Clean up both the gun and studs before and after use 2.The size of the stud may vary slightly and maybe not exactly fit the adapter hole. When you put the stud into the hole, please note if it's too loose, you can use some gossypium asepticum to make sure the stud is straight. Notice: 1. Please keep away from children 2. Removal of the piercing studs if signs of infection develop Blue package list: 1 x Piercing Gun 1 x Marker Pen 49 pairs (98pcs) Ear Studs 1 x Storage Box