Feature 1:Twist up fuction and can't be retreated;
Feature 2:Transparent version to view the inside color and the used amount;
Feature 3:Vairious applicators to fit different cosmetic purpose.
Application:Nail polish pen,lip gloss pen,concealer pen,teething whiting pen,Revitalash pen.
Advantages:Good airtight function to avoid leaking;High cost-effective.