【What's in The Box】2 packs disposable ear piercing kits, 2 packs sharp pin stud earrings (2pcs stud earrings are preloaded in the ear pierce gun) 2pcs safety bullet backs to keep your skin safe.【Surgical Stainless Steel Materials】Our professional ear piercing kit made in surgical stainless steel materials, all hypoallergenic disposable ear piercing kits are made in 100000 grade clean room, sterilized by EO Gas,individually sealed package in medical grade facility.【Popular Usage of Ear Piercing Gun Kit】Our ear piercing gun kit with safe backing perfect for women, men and multiple piercings (such as:standard lobe piercing, forward helix piercing, industrial piercing, auricle piercing.anti-tragus piercing, helix piercing, rook piercing, daith piercing). offer a wide variety of ear piercing earrings for your choice, all ear piercing kits preloaded earring studs come with sparkle AAAAA cubic zirconia.【Size】Cubic Zirconia: 5mm (4-Prong); Diameter of Pin: 20 Gauge (0.8mm); Length of Post: 0.039"(10mm); sharp enough to make an actual clean incision thru the flesh. offer styles of earrings stud, hoop earrings to change your starter earrings after 4-6 weeks.【Used for】Professional disposable piercing guns for body piercing, such as ears, helix, cartilage, inner lobe, rook, tragus, re-pierced. Best choice as at home ear piercing kit. This disposable ear piercing kit comes with a self-destroying ear piercing gun, can be safely pierced for one time use. NO cross infection, no allergy, no pain, no crying.