... , fire ,puncturing ,and permeable to air ,water ,recyclable , strength of fabric is in direct ratio of its weight.PRODUCTION SPECIFICTION GRAM ... for car, train and ship: back fabric for man-made carpets, etc.ARTIFICAL LLEATHER BACKING: Furniture, garment, leather shoes, bags, etc.WATERPROOF ... cloth, table cloth, background canvas, cloth lining, etc. Polyester Spunbond Nonwoven Fabric