3M Black Privacy Filters for laptops provide world-class "black out" privacy from side views, while creating an excellent, high-resolution viewing experience from straight on views. Reversible between a glossy side and a glare-reducing matte side that helps reduce reflections and hide fingerprints, so you can enjoy pristine image clarity. - Microlouver technology delivers world-class effective "black out" privacy from side views outside the 60-degree viewing angle - Reversible between a glossy side and glare-reducing matte - Reduces 35% of blue light transmission from the display - Helps reduce reflections so you see your screen clearly with pristine image clarity - Matte surface helps reduce glare and hide fingerprints - Designed with advanced microlouver technology, creating an excellent high-resolution viewing experience - Designed to seamlessly fit within the raised bezel of your device - Easy to attach, remove and clean - Gives screens an added layer of durable protection from dust and scratches - 100% hand inspected for quality assurance