They look like they're made out of durable rubberized plastic. The front seats were easy to install on my 2020 Ridgeline. The long liner for the rear seat was 1/4 inch smaller to allow the post to be installed through the mounting hole in the liner. With a little heat on the heat gun and some tension I was able to wire it up. The problem may have been our wonderful weather in Wisconsin. It was only 10 degrees during installation, so I decided to use a heat gun. The bottom tin tray was a nice bonus. Things I notice: 1. Excellent value for money, OEM is more expensive and does not include a tray, the price was also lower than non-OEM competitors. 2. The fit is excellent and together with the wall height of the liner the carpet should be well protected. 3. Well-sized "wells" for collecting melting snow or slush, which usually contains enough salt to melt an iceberg. As I just installed them they cannot offer longevity. Given the obvious build quality, I don't think I'll be disappointed. They should be better than carpets, which are destroyed by salt water. I recommend buying.
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