Prodigy product! Will clean dry-erase marker ghosting and residue from any whiteboard, marker board, dry-erase board, dry-wipe board, or pen-board. Restores whiteboard surface to like-new condition, without effecting surface for future use. Non-toxic, readily-biodegradable, pH balanced formula is made using sustainable, plant-based ingredients. Product is free of synthetic perfumes and dyes, greywater and septic safe. Recognized by the EPA's DfE and USDA's Biopreferred Program.