● This is the Mitsubishi Pencil fluorescent highlighter "Propus-Cartridge." It's an economical and environmentally friendly product that can be used repeatedly by replacing the cartridge. For OA paper, non-carbon paper, and plain paper. ● Water-based, pigment ink - Colors: Green, Pink, Blue, Orange, Yellow - Brand: MITSUBISHI - Model: PROPUS - Type: Highlighter - Ink Type: Water-based Although unused, it has been stored at home. Please understand this before purchasing.