7 planks, every in dimensions of 25000×3700 px
Planks size in real world is ~125*19cm, That give aproximetly 200 pixels on cm and about 500DPI.
Floor textures from Orangegraphics Store are a reproductions of real floors, they have every single details, including the print structure. Textures are prepared as single planks, not one huge tiling texture. This allows to use them in very complex way with procedural placement( as for example multitexture map from CG-source in 3ds max) in various different ways.