This Marine Vinyl is quilted with a 5 oz polyester fill and electronically heat sealed (no stitches or threads) in channels 1.5" wide going side to side.??? It is treated for maximum UV and water exposure and the channels are 100% water proof.??? ??? Made with Spradling Marine white 5000 vinyl for quality and affordability.??? ???This has a slight semi gloss appearance.??? Full rolls are 20 yds, 54" wide roll.??? Sold by the linear yard,