Strathmore 400 Series watercolor paper is popular with watercolorists of all levels. This acid-free, heavy weight paper has a strong cold press surface that allows for lifting and scraping applications and is ideal for mastering watercolor techniques. Excellent for finished artwork with watercolor, gouache and other wet media, this paper can also be used for acrylic, oil, airbrush, mixed media/collage, drawing, oil pastel, pen and ink, and marker. This cold press block is bound on 4 sides and comes in a natural white color. Details:Available in multiple sizes140lb/300gsm15 sheetsCold pressHeavy weightAcid free paperFor use with wet media