Experts and internationally renowned artists alike appreciate the qualities of a Claessens Belgian linen, which is an archival support of exceptional quality. Claessens linen canvas is made from natural materials. - Claessens Linen Canvas Roll - 82" x 5-1/2 yd, Universal Primed, No. 166, Medium TextureClaessens Artists Linen, 5.5YDX82 166 UP - A heavier medium texture linen that is ideal for landscape painting. With its tighter weave and stronger thread it will support larger works and heavier paint layers. Style 166 acrylic primed is the same linen as Claessens Style 66 oil primed linen. 80 TPI.