GF Concept 111 is a 2mil clear film designed for use with dry erase markers.  It is recommended for producing general purpose graphics, decals and unprinted substrates for use with dry erase pens. Typical substrates are paper, cardboard, photos and unprinted substrates.  For best results, we suggest the following dry erase brand marking pens: Avery Marks-a-lot® (chisel point), Expo Scents® (chisel point), Expo Bold color® (chisel Point), Expo regular® (chisel point)