Usuage: Housetop waterproof material Specification:Our machine has 2.9m width,so you can choose different width as:40'',44'',54'' or 60''. Color:Mainly it's white with black lines Compostion:100% PET GSM:65-75gsm This stitchbonded nonwoven fabric are used as the basic fabric of the waterproof material.Terylene material in the outside ,the ultraviolet radiation cannot break down easily,so it's better than Polypropylene.Also this type of material is nonwoven cloth,save more energy than textiles,but lower price,better quality.Our customer choose 45' to load 2000 rolls .