This is 4 in 1 Derma Roller Set 0.5mm, 1.0mm, 1.5mm Titanium Micro Needles With Travel Case`4 In 1 Derma Roller Micro-Needling Skin Care System is a Roller tool to stimulate collagen under the skin and has 3 sizes can be changed according to your need. – size 0.5 for the eye and fine lines 300 stitches – size 1.0 for the face and scars of acne and for the youth and lightening the skin color and wrinkles 720 stitches – 1.5 size of the body and cracks and scars and cellulite 1200 needle – Part IV is a small stand or stand to put sterilization solution for sterilization to maintain the unity of needles From touching any solid part with a small face mask presented as a present by us – with a small brooch to explain how to use, disassemble and train in English – with a folder for the roller name tag DERMA ROLLER SYSTEM Brand: Derma Roller Type: Facial Tools.