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 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. .