Large Working Area: 540 needles have a large working area on skin than other micro needle rollers or pen, it is more efficient. Glow: Treat your skin to a spa day at home with our face needle roller that will instantly give you a smooth, youthfully radiant glow. Pair with your favorite serum for increased absorption. Professional Titanium Needles: Titanium needles are durable, the needle won't bend or rust. Titanium microneedle dermaroller is skin-friendly. Has a professional storage box. Easy to Use: Can help you use it at home. Anti-slip derma roller handle for easier operation on skin. Sealed package. Safe Package: 540 derma roller has double layers protection package for a better storage and safe use. You can take the micro needle roller anywhere without worrying about the damage.