Originally Posted by
ManiacQuilter2
The Omingrip rulers have the green gripper on the back and it does wear off eventually. I have already replaced my 8.5" square. The Omnigrid rulers have the yellow/black lines which I have had since they originally came out and they have no wear on them.
My 8.5" was one of these green ones. I absolutely cannot see through them. I finally pitched it in the garbage.