Searched a trough protects the boot against contamination. This product fulfills this task perfectly. As described above, the tub really fits perfectly in the A6 - and by that I mean fit well. Even the little knob on the boot start (below the sill) makes this tub with a slight swing with. The one who was responsible for the design of the mat, has previously taken correctly and accurately measure - respect!
The mat is stable and non-slip coating serves its purpose also satisfactory.
I could not imagine a better boot tub. A clear recommendation to all those who protect her trunk against contamination and want to have a really good product!