Maintain Rejuvenate And Enduring: The roller uses specialized needles to facilitate exfoliation of the skin and rejuvenate your appearance, maintain healthy facial skin at any time. Improve Collagen Level: Derma rolling stimulates production of collagen and elastin which slows down premature aging skin and treates wrinkles, scars and heperpigmentation. Simple Use And Easy Absorption And Improve Skin Beauty: This roller is designed to be easy to learn how to use which allows you to quickly integrate it into your routine and quickly see benefits. Anti-Aging & Nourishing: By using micro needles to enhance the absorption of nutrients. Fully moisturized skin with suitable serum then will improve skin stone and dilute pigmentation, then it will make you younger than before. Low Cost High Effective Money Back Guarantee: No need to spend thousands dollars with professionals when you can easily and effectively get the same results at home with our roller. 24H Sale Service: The professional material insure the quality of item. Please contact our Walmart Customer Service or send email to our company's mailbox, we will give you a satisfied solution in 24 hours. Main Material: Titanium, Stainless Steel, ABS; Main Color: Purple, Black; Needle length: 0.25mm/0.009"", 0.5mm/0.0197"", 1mm/0.0394""; Weight: 240g / 8.47oz; Package Include : 3 x 540 Pins Needle Derma Roller.