Premium Derma Roller Pen: Premium titanium alloy needle, the length is 0.25mm, beginners can easily use it at home., Suitable for Men & Women - The dermal roller pen is suitable for men and women to use, and it helps you save money for different uses based on your needs., Safe and Painless - Gentle on the skin, our premium derma roller pen is a safe, non-invasive microneedling tool that is painless for at-home use without damaging your skin., Gifts: This is a very good gift to give to your family and friends., Compact and Easy to Carry: The compact design makes it easier to store and use at any time.