I have some that I've relegated to industrial work trucks, and commercial vehicles.
The orange and blue are closed cell foam. Because of this they are highly susceptible to tearing if caught on an edge. They're also very thick.
The black is an open cell finishing foam that actually works well.
Overall, the orange pad runs really hard, and vibrates like crazy. No standard random orbital can make it run smoothly - not the Porter Cable, not the Griots. It runs like a tank.
They will do the job though. As with any closed cell pad, you want to be gentle with how you clean and wash it. You don't want to use too much speed, pressure, or product, and want to avoid excessive heat. Be sure they've completely dried before using again. It could take a few days. It will be difficult to spin them dry. When the added weight of water in the foam is spinning, it will make the pads throw themselves off the paint. I've had one catapult across the garage, knocking the bucket over with it. Big mess...