Microlouver technology delivers effective "black out" privacy from side views outside the 60-degree viewing angle. Reversible between a glossy side and glare-reducing matte. Matte surface helps reduce glare and hide fingerprints. Helps reduce reflections so you see your screen clearly with pristine image clarity. Compatible with curved displays. Reduces 35% of blue light transmission from the display. Provides touch compatibility on some devices. Easy to attach, remove and clean. Gives screens an added layer of durable protection from dust and scratches. 100% hand inspected for quality assurance. Sold by each.