Invisi-Grip Non-Slip Material ~ 12-1/2" x 1yd; a clear, non-slip material that is applied to quilting rulers and templates to prevent slipping while rotary cutting; InvisiGrip is invisible when applied for clear viewing; it can be removed without leaving a residue. Ideal for beginners who are just learning how to handle rulers. Can be applied to the back of cutting mats to prevent the mat from slipping on a tabletop.