I do have security and have no problems with e mailing photos etc for years then the past month or so the gremlins came. Everything else is fine. I am using leftovers for the mats. I am putting flannel on one side and cotton on the other side. I am making 20x20 or 20x30 and they say that is great and just the two layers are good. I sew an X on them to hold the middle down. The dogs have a tendency to tear or chew them up so they give them only to the ones that don't