What is the name of the window film that cannot be seen through from the outside?

[BraxtonMarie]

The window film that cannot be seen through from the outside is called one-way mirror window film. Here are the relevant details: 1. Definition of one-way mirror film: One-way mirror film (also known as one-way film, mirror film, etc.) refers to a film attached to glass that gives the glass a high reflectivity to visible light. One-way mirror film can achieve an effect where, when the outside is brighter than the inside, the one-way mirror glass resembles an ordinary mirror, with the inside scene not visible from the outside, but the outdoor scene visible from the inside. Nowadays, one-way mirror film is commonly used in movies. 2. Advantages of window film: a. Heat insulation and temperature retention; b. Safety and explosion-proof; c. UV protection; d. Anti-glare; e. Easily creates a private space; f. Enhances visual effects; g. High-temperature resistance and fireproofing.