This board features a ready-to-use surface created for the unique demands of encaustic painting and mixed media. A heat-resistant ground is applied to a sealed Hardbord panel to form a bright, smooth and velvety surface. The ground is highly absorbent and it holds tight to layers of wax and collage without of cracking or separation. Use a variety of mediums to create incredible textures, colors and patterns. Details:White surface allows for vibrant color applicationAvailable in multiple sizesUncradled 1/8" flat profileExtremely receptive surface No preparation necessary, ready to useIdeal for for mixed media, collage and photo transfersContents:2.5" x 3.5" (5 pack)5" x 5" (4 pack)5" x 7" (3 pack)6" x 6" (4 pack)