Compatible Model: Compatible with 17.3-inch laptops with a 16:9 aspect ratio. Diagonally measured viewable display area is 13.3 inches (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 as shown in image 2 to ensure correct fit. Upgraded 9-layer blue light filtering technology: Effectively blocks blue light while providing anti-glare, anti-reflective, and anti-static properties to help reduce eye fatigue. Comprehensive protection: Features a hydrophobic and oleophobic coating that resists fingerprints and makes it easy to wipe away liquids, while also protecting against scratches and marks. High definition: Ultra-clear 95% transparency maintains screen brightness and preserves original display clarity to help reduce eye strain, without affecting monitor performance or battery life. Package includes: Anti-blue light screen protector (2), guide sticker (2), cleaning cloth (1), scraping card (1), dust removal sticker (1), installation guide (1). For any product issues, please contact customer support.