1.There are 4 sizes included (0.25mm/0.5mm/1mm/1.5mm) 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, 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. 2.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 3. 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 4. Unlike Salon Treatments That Can Be On Rough Side - This Micro Derma Is Designed For Home Use.the Tool Every Lady Need, best Gift For Wife, Girlfriend And Female Friend. Packageinclude:1x Micro-needle Skin Roller Note: 1. Due to the different monitor and lighting effect, the actual color of the item may be slightly different from the color shown on the pictures. 2. Please allow 1-3cm error due to manual measurement. (1 inch = 2.54 cm) Thanks for your support :) When shopping, please pay attention to the size and dimensions of the product to ensure that it meets your needs. In the title and , we have provided detailed information about the product, including its features and specifications We want you to be completely satisfied with your purchase, so if you have any questions or concerns, please don""""t hesitate to contact us. We are here to help and will do our best to assist you. Thank you for choosing our product. We hope you enjoy it