180 GSM, Fluorescent white Colour A4 Size Paper, 25 sheets pack, Ideal For Art and Craft Printing Flyers. Our professional grade sketching sheets are smudge resistant and designed to endure frequent erasing. The thick and smooth surface makes it ideal for pencil,pens, graphite, charcoal and more ARTIST and ECO FRIENDLY: WE use recycled, acid free and pH natural paper that is safe to use and resists unwanted yellowing over time