... Wallpaper adhesive- blue color, you can see the glue.1.Dissolving quickly in cold water, after mix with cold water, it will be ... , non-toxic, unti- mildew, made of potato, environment friendly product.Can easy mixing and quick dissolve in cold water, suitable for ... the back of paper then it can paste on wall. First should put the wallpaper's top, use drawknife from up and ...