The 2 mats are on a concrete basement floor: one, completely unfolded under a treadmill; one, folded in half under an ab-lounge. We have had them for a couple of months.
They arrived neatly packaged and folded. When unfolded, they immediately went relatively flat and have become completely flat with time. There was little, if any, off-gassing.
We like the size flexibility and that they are not thick and bulky. We were looking for gentle cushioning, which is what they provide."..." Read more
- Walker in Van in Vancouver, Canada