Pastelmat pads were designed to meet the specific expectations of serious pastel artists. Pastelmat's strong, buttery surface has more tooth than traditional Ingres papers but is not abrasive, allowing painterly effects to be achieved. Its texture allows it to grab onto the pastel, breaking up the pigment and pulling it deep into the surface for exceptionally vibrant color. Flat tints, precise details, or delicate and transparent veils are easily realized. The use of fixative is not necessary with Pastelmat. This acid-free paper's rigidity, weight, and light-resistance guarantee conservation of the artwork. The 170 lb. (360gsm) heavy-weight sheets are also an ideal surface for oil pastels, charcoal, colored pencils, acrylics, watercolors and gouache. Each pad is glue-bound and contains 12 sheets. Each page is separated by glassine sheets to prevent smudging.