I noticed that the newer mats replacing this one are thinner yet. The last one started breaking up in the middle. What does this say about the newer thinner ones? Yes the chair has the double rollers that were recommended! I probably would have purchased a thicker mat if one were available.
I placed my computer in a "closet" that is directly behind (when the door is open to the hallway)a door. There is beige carpet in the room and the mat is placed in such a way that the offset is placed under the door and the larger portio is where my chair is. Only problem with the setup is-I am in the way of the door opening the whole way when I use my computer!!