This Zindoo Blackout Window Film offers all-day 100% light blocking with a privacy level of ★★★★★. It provides two-way full privacy protection, is anti-UV, and anti-glare, creating a good sleeping environment during the day and reducing furniture fading caused by sunlight. The film is glue-free and easy to use, as it releases no harmful substances and can be easily positioned and removed without residue. This black self-adhesive film is reusable; you can remove and stick it again anytime you want to change its place. It is widely suitable for any smooth single-layer glass and is perfect for bathrooms, meeting rooms, baby rooms, nurseries, bedrooms, and other places that require high privacy. The self-adhesive window film applies in minutes and will look great for years. It is easy to trim, apply, and remove. For specific installation details, please see the detailed introduction. Avoid direct sunlight to prevent the glass from breaking. Use it indoors; not suitable for double glass, vacuum glass, patterned glass, and wire glass.