
This "Several" rug works well. The bottom of my 2001 GMC Sierra 2500HD isn't exactly level, but it's thick enough to float over the raised edges, and I can't say for sure. They appear to be very durable and will definitely hold up to some serious spills/liquids/whatever. As long as they didn't move, they didn't slip. Can't comment on the passenger side, but the spikes (springs?) on the underside are pretty good, so I don't see them very easily, if at all.

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