Expo Dry-Erase Cleaner helps restore your dry erase surfaces to their original glory. This is the perfect accessory for your Wipebook Flipcharts. In fact, we recommend cleaning your Wipebook Flipcharts with this product once per week to keep your surfaces looking like new. When your dry erase whiteboard surfaces fall victim to ghosting, grease marks, or dirt, this cleaner will solve that problem for you. Also, as this cleaner is non-toxic, it is safe to use around children.