Clear Focus One-Way Vision EconoVue Do-alliner is a clear, 6.5-mil economy-grade PVC film that delivers vivid graphics for short term exterior mount applications. It is certified for HP Latex Inks and our patented Do-alliner is designed for universal printing. Clear Focus EconoVue Do-alliner is available in 80/20, 70/30 and 60/40 perforation patterns.