Nail art pens 1) Nail part pens easy to draw any picture 2) Capacity 4ML 3) End plug show inside color 4) Raw material PP Nail art pensSpecial for nail art, with plastic nib ,it is very easy to draw any patterns.With an end plug, help you to show any color inside;Any injection color is available;Silk screen or Hotstamping are available.Airtight design to ensure the ink work very well.