Style 9 - By exclusive agreement with the factory you can now prime up the most famous Belgian linens in the world yourself. This medium thread and medium weight linen roll is smoother than most rolls. It weighs 5.31 oz. per square yard unprimed, 11.5 oz. per square yard oil primed, and 10.71 oz. per square yard acrylic primed. This style of linen roll has a warp of 27.9 TPI and a weft of 35.6 TPI.