With their relevant product features and varying line widths, the following paint markers are recommended for marking on rubber:
- edding 750 paint marker
- edding 751 paint marker
- edding 780 paint marker
It's actually quite difficult to write on rubberlike materials, as any plasticisers present can prevent the ink from sinking in. A very flexible surface can also lead to gaps in the marking. Due to the limitations of writing on rubber, it’s a good idea to test for suitability on an inconspicuous area first.