Each pen is sealed with wax to keep the ink from drying out
These pens write like gel pens
Versatile: Use these erasable pens to complete Sudoku and crossword puzzles without a mistake or a hole in the paper
The gel ink glides effortlessly across the paper for writing
ParKoo Twist-Write Retractable Erasable Gel Pens, Fine Point 0.7 mm, No Need for White Out, Black Ink for Completing Sudoku and Crossword Puzzles, 20-pack colored pens erasable Each pen is sealed withParKoo friction erasable pens let you enjoy smooth writing while leaving room for error. New thermal sensitive ink will disappear with friction using the rubber eraser on the pen with no residue and no tearing of paper. Write, Remove, Rewrite without damaging documents. Twist the side clip to write. Erasable gel ink, tip: 0. 7mm, 20 x black pens. Nontoxic ink, acid free, non bleeding, heat erasable. The eraser is at the top of the pen tip. These pens