This bleed-proof, smooth marker paper is specially treated for superior performance to ensure rich colors and precise lines. It's coated on one side, designed to prevent ink bleed and avoid paper soak through. Colors can easily and smoothly be blended using a blender marker for unlimited tonal variations. Paper is thin and semi-transparent and may also be used as a layout paper. It is chlorine- and acid-free to prevent yellowing, and it is made using FSC certified pulp to protect forests. The surface is optimal for all alcohol-based markers. Each pad contains 50 75gsm sheets.