A standard size of wallpaper depends on type of wallpapers we choose such as (1) paper backing size is 1.06 M (W) x 15.6 M (L) which can cover wall space of 150 SQFT (2) non woven backing size is 0.53 M (W) x 10M (L) which is suitable for approximately 50 SQFT wall coverage (3) while fabric backed has a variety of sizes depending on from which county it’s made, like Korean fabric backed size is 1.05 M (W) x 15.5 M (L), which can approximately cover wall space of 150 SQFT.