Microblading Needles 21 Prong U-Shape Shading Needle Spmu Needle, One-Time Use, Disposable Blade Sterile Packaged 12pcs In One Box ,Stainless Steel.Stainless Steel Material Has Excellent Stability And Less Vibration, Which Is Durable And Safe To Use. Each Needle Is Sterilized With Gamma-Ray In Advance, Which Is Not Easy To Get Allergic.