[MOST EFFECTIVE DERMA ROLLER SIZE] - There are 3 sizes included (0.25mm / 0.5mm / 1mm) there isn't any part of the body that our rollers can't help improve your skin. In addition to its powerful anti-aging properties, customers have reported that our Micro Roller has helped to shrink pores, clear up acne, prevent breakouts, and minimize the appearance of acne scars - leaving skin proudly radiating a healthier appearance that glows [SAFE & EASY TO USE] - Just disinfect before any use and roll vertically, horizontally, and diagonally on treatment area about 4 - 5 times each before applying your favorite topical skin product. Since micro needles are so tiny, the rolling process is painless and easy [RUSTED BY DERMATOLOGISTS EVERYWHERE] - Proven to Reduce Appearance of Wrinkles & Fine Lines While Helping Boost Collagen, Fade Sun & Age Spots and Improved Skin Firming, Brightening, and Tone for a Smoother, Fresher, More Revitalized Youthful Complexion [HIGHEST QUALITY 540 TITANIUM] - Formulated with only the highest quality 540 Grade A Titanium and nothing more. We've dedicated our company to using only the highest quality micro needles to be effective, gentle, and the perfect solution for even the most sensitive skin types [Health and Safety] - Each of our individual rollers is packaged in an independent plastic box and Hermetic bag, which is safe and hygienic.