The KleenSlate Fine-Tip Dry Erase Marker has passed the Filmtools test for writing on insert slates. It drys quickly and does not smudge, smear, or stain our camera slates. And with it's built in felt eraser, it's convenient and cost effective as well. Kudos to KleenSlate.
WARNING: This product may expose you to chemicals which are known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov.