We are offering permanent marker (with clip)-101. Only a few exception can leave a mark permanently . And here is one such exception. It is water proof, and therefore once written, will last for a very long time. Available in bright colours to make a mark on any surface; these markers are alcohol-base & are quick drying & non-bleeding. They are refillable & astm d-4236 standards are maintained; making it a permanent match to your ever dynamic requirements.