3M Bright Screen Privacy Filter for 13.3 Inch Full Screen Laptop 16:10 BP133W1E3M Privacy Filters provide world class black out privacy from side views outside the 60 degree viewing angle, while creating an excellent 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. Effective black out privacy from side views outside the 60 degree viewing angle Matte surface helps reduce glare