The Portrait Panel is made with Claessens #13 Double Oil Primed Linen. It is a professional grade, woven to exacting standards, is hand prepared and ideal for portrait and figure work. With a 57.9 TPI warp and 58.4 TPI weft at 11.35 ounces per square yard, 4 layers of priming and a finish coat that the result is a museum quality linen without equal. 100% archival, balanced wood panel. Exclusively for oil paint.