We recently had to change two chair mats that had cracked and opened up holes. The carpet is very low pile however it has a nice pad underneath since we also exercise on it. These mats are thick and stiff enough to support the chair wheels rolling freely versus allowing them to form a depression. Price was right as well.
Perfect size for in between Autonomous desk legs. Chair rolls nicely. No problem rolling around in chair after 15/20 minutes or longer of sitting. Had to lay it on floor for 2 days before final placement. Thankfully the sticker came off easy with no residue. Great product. No complaints.