Metric size:(L)1m*(W)45cm=0.45 square meters roll(L)3m*(W)45cm=1.35 square meters roll(L)6m*(W)45cm=2.7 square meters rollHow to Install1.PeelTo begin with, peel off a few inches of the backing material.2.StickApply Peel-Stick Wallpaper to the wall, beginning in the corner.(Do not peel all the backing all at once, peel off a few inches at a time, slowly stick it to the wall, and then continue to peel off a little more)3.SmoothSlowly remove the rest of the backing, smoothing out any air bubbles as you move down.Notice1.Please allow 1-3 cm tolerance due to manual measurement.2.Different displays show the same picture may be slightly differences.3.If you purchase the number of wallpaper more than 1M,we will not cut the wallpaper into a per wallpaper with a length of 1M.You could cut it according to your needs.4.It is recommended to buy enough quantities at one time to ensure that they come from the same batch, so as to avoid color difference in the next repurchase.5.The wallpaper you will receive may have some wrinkles on both ends, because the package will be on the road for a long time, but it will not affect the appearance after sticking to the wall.