Highlights STEREO EMBOSSING Three-dimensional embossing technology to create texture pattern How Many Pieces Do I Need to Buy? 1.Measure the height and perimeter of your room and calculate the overall size of the wallpaper you need. (Please exclude doors, windows, etc.). 2.The number of wallpapers you need to buy = the overall size of the wallpaper / product size + 2. And round it up. 3. According to the different patterns of the wallpaper, you will waste some of the length of the wallpaper…