1S DRY PERMANENT MARKERS IMMEDIATELY: Black permanent markers dry quickly in one second. Don't worry that the ink of permanent markers will stick to your hands everywhere during the writing process

PERMANENT MARKERS BULK: There are 60 permanent markers in a box, and each permanent marker black has sufficient ink . Permanent markers can be used for a long time, and the pen cover has good sealing performance and plastic surface, them very suitable for coloring、painting、writing、drawing、marking out,which is suitable for use in offices, schools and other places.

WATERPROOF: the black permanent marker is smooth and waterproof. If the water is accidentally spilled on the written words, the words will not flower, and the black markers permanent is not easy to erase and fade

PERMANENT MARKERS CAN BE USED IN A WIDE RANGE: black permanent markers can be used not only on paper, but also on glass, tiles and cloth. They are suitable for many places without limitation

QUALITY SERVICE: We provide 120 days after-sales service. If you encounter any problems during the use, please feel free to contact us, we will be happy to provide you with after-sales support.