Canson Plein Air Canva Rigid Art Boards for Paints or Sticks, Oil and Acrylic, 9 x 12 Inch, Set of 10 Boards These pads enable the artist to express their creativity indoors and outdoors Contain 10 Rigid art boards that are glued on one side Primed and ready for oil paint, oil sticks, oil pastels, or Acrylic paints without the need for priming or preparation The natural, canvas-like texture is treated with a high-performance barrier to evenly absorb oil, bonding agents, and water 9 x 12 of acid free boards