Doctor Ink Pen Made of Plastic, Not Easy to Deform or Break, Printed in Beige Color, Hard to Fade. Widely Used Ball Ink Flows Evenly in Clear Transparent & Thick Slim Lines, No Fading or Jumping. Enjoyable Writing Experience with Ergonomic & Technical Design. Comfortable Handle & a Suitable Size Hat Clip, Suitable for Memo Writing, Drawing, Drawing, Signing, Calligraphy, Sketching, Graffiti & Painting Tools, Advertising, Diy Craft Home Decoration, for Any Practical Joker.