Walls One Collection Chevron switch In French, "Chevron" (a v-shaped marker that's often inverted) means "roof rafter". The military use it to show rank, in motoring, it warns of direction change, and in heraldry even shows participation in a building enterprise.  Non Woven Wallpapers are the latest trend in decorating. DIY or hire a prefessional - you cant go wrong with non woven. They are easy to install and easy to remove. They can be rmoved dry with no wall damage.  Wallpaper sizes :

These amazing designs come in 2 panel sizes
Narrow panel : 900mm wide x 3000mm high = .9 meters x 3 meters = 2.7m2

Wide panel : 1250mm wide x 3000mm high = .9 meters x 3 meters = 3.75m2