Works as advertised on my (higher) low pile carpet. Very much an improvement. Material is thin so if you sit in one spot divots form in the mat. Not really a problem thus far you just get a bit stuck in a small depression (or 5 of them in my case). This would not be an issue for a more commercial (lower pile) carpet situation. Overall works as intended does not move around on the floor.
The quality is fine for what it is but this mat is too thin. I don’t expect it to last very long. I wish I had known before I bought it how light-weight it is but I couldn’t tell from the information available online.