The robust yet elegant classic Piet Boon?? Style combines natural material with subdued colour palettes for an unrivaled look that is authentic in every way. Piet Boon: ???Concrete with its sober, subdued character is one of my favorite materials.??? And now there is this fabulous wallpaper which lets one transform a space, be it a wall or ceilings easily and in a very affordable way. The result is amazing in every aspect. One reallly has to touch it to feel the difference with the real thing.