Compatible model: Designed for 17.3" laptops with a 16:9 aspect ratio. DIAGONALLY MEASURED 13.3" (Measured visible display area diagonally, corner to corner without the frame), filter size (W x H): 15 inches (38.2 cm) x 8.5 inches (21.5 cm). Please measure your screen size as shown in picture 2 to avoid purchasing the wrong size. Upgraded 9-layer blue light filtering technology: This laptop screen film effectively blocks blue light while being anti-glare, anti-reflective, and anti-static, reducing eye strain. Comprehensive protection: Hydrophobic and oleophobic coating effectively reduces fingerprints and easily cleans liquids, resisting scratches and marks. High definition: Ultra-clear 95% transparency doesn't reduce screen brightness, preserving the original screen brightness to reduce eye strain and avoid reducing screen and battery life. Package includes: Anti-blue light screen protector x 2, guide sticker x 2, cleaning cloth x 1, scraper card x 1, dust removal sticker x 1, installation guide x 1, friendly customer service - for any product issues or dissatisfaction, please contact us.