Originally Posted by irenecarter
I've got one of those big green mats and have had it for over 20 years. It has a couple of of cracks on the ends buyt otherwise in good shape. I think the cracks were cause by me standing it on end in storage . Live and learn.
Mine were bowing from standing them on end. I now hang them on pant hangers. One is hanging on my pegboard and one on a nail in a door .