As was ever stated, the mat can be due to the stone look to adapt easily with scissors to form the shower and position of the drain. We have, however, has taken several weeks before the typical plastic softener smell was no longer perceptible. I often leave in the shower in the first week of a few cm water, which has the first few days then also stained trüblich.
After the initial difficulties but a good product with a lot of support and flexibility in size for a small price.
