Pp Woven Shopping Bags | The weight per unit area of woven fabric is expressed in grams per square meter, which is an important technical indicator of woven fabric. The grammage per square meter mainly depends on the warp and weft density and the thickness of the flat yarn. The grammage per square meter affects the tensile strength and load capacity of the woven fabric. The grammage per square meter is a major link in cost control for manufacturers.