The mat is terribe. We purchased the more expensive model because others have failed and this one is no better. We have only used it for a month and it is already cracked and broken.
Absolutely awful quality. Starting to show permanent indents after literally one day of use. And they won't accept a return now because it isn't original quality. If you want to NOT be able to roll your chair around due to instant permanent indents, this is the model for you.