Do you have the Cricut tool kit and spatula? Those work really well. If you can get the end of it up with the spatula, you should be able to peel it off very slowly. I don't think I would use water on it. It could make it even more of a mess. Also, there is a way to redo the mats...I will have to look it up but there is a certain glue stick you can use to reapply it and it works like new.