Item: Derma Roller | 540 Titanium Micro Needle Facial Roller Microneedle Beauty Cosmetic Needling for Skin Care Face .25mm 0.25mm Dermaroller Kit Microneedling for Scars Wrinkles Fine lines Anti aging Home Use Men WomenItem ID: PE717Color: WhiteNumber of Needle: 540 NeedlesNeedle Length: 0.25mmRoller Size: 30*20mm, 1.2*0.7InchesNet weight: 23gPackage Size: 161x46x41mm Functions:- Boost collagen- Boost nutrition- Remove acne scars- Shrink pores- Reduce and prevent wrinkles- Accelerate blood circu