... Was surprised that the transparency of the substance at the photo results can not be seen. In the photo, the black background will appear opaque. And it at kommts. The white cloth I have to try yet. Take care when entering the substance or moving furniture in this. It is very easy to form spots or stripes on the fabric. Scan now prefer barefoot. Or you just keep in mind under movable furniture always briefly wipe the shoes and the Filzschutz. Had I not thought first.