About this Product

Ballpoint pen with erasable ink. You can use the top of the pen to easily make the written text invisible and write over it immediately. The clip of the pen is also the push button. The blue pen has blue ink and the black pen has black ink. Please indicate your preference when ordering. Extra info: At extreme temperatures (from plus 50 ° C and from minus 10 ° C) the removed ink will reappear.