For 12.1-inch wide monitors. The following is borrowed from the product description page on the internet: • Applicable monitor size: 12.1-inch wide • Size (height x width): 164 x 261mm, thickness: 0.5mm • Quantity: 1 sheet • Surface reflection rate: 3.2% • Visible light transmittance: 65% • Privacy protection The built-in special micro-louvers prevent "peeking" from the sides. PC users facing the monitor can clearly see the image. • Moiré (interference fringe) countermeasures Optimizing the internal structure prevents the occurrence of "moiré (interference fringes)" and improves the screen quality, allowing for clear viewing of text and images. • UV protection • Screen protection (scratch and dirt prevention) Because it uses a material with high surface hardness, it is resistant to scratches and protects the screen firmly. It also protects the screen from annoying sebum stains and dust. ● Will be wrapped in a plastic bag and packaged. Laptop filter Laptop privacy filter Yu-packet post seal