These films feature a textured 'matte' surface on one or both sides, allowing the use of markers, pens, pencils, drawing leads or ink to create drawings, renderings, blueprints and any design on an indestructible, stable surface. Withstands repeated erasure. Choose from .003" or .004" thickness, commonly referred to as 3 mil or 4 mil thickness. Hyatt's Hy-Print films are comparable to K&E or Azon Herculene and Dupont Mylar but at a substantial savings! Duralar by Grafix is an economical choice for larger projects.