Pls do not worry if there are creases on the desk floor mat, it does not have any influences in using this chair mat. The creases would be disappear as time passes

If you want the creases disappear quickly, you could just open the office chair floor mat and press it with a heavy object,or you could iron the chair mat or wash the desk chair mat, then creases would disappear sooner. If you still have any problems about this office chair mat, pls e-mail to us any time, we surely would give you a satisfied solution right soon.