Experts and internationally renowned artists alike appreciate the qualities of a Claessens Belgian linen - an archival support of exceptional quality. Claessens linen canvas is made from natural materials. - Claessens Linen Canvas Roll - 82" x 5-1/2 yds, Oil Primed, No. 20, Medium TextureClaessens Artists Linen, 5.5YDX82 20 OP - A medium weight and rough texture linen, at 12.4 oz per square yard (primed), it is ideal for landscape painting and impasto. 73 TPI.