The United Kingdom sets minimum light level requirements for window tint. Please make sure you follow these requirements: https://www.gov.uk/tinted-vehicle-window-rules. Features Blackout privacy window film is Ideal for use in screening out areas where light has to be 100% excluded and vision from both sides must be prevented. This film is an easy to install self-adhesive film that can be cut with scissors or a craft knife and applied directly to your existing glazing. The film is resistant to moisture and condensation, durable and easy to clean once fitted. Full fitting instructions are supplied with your order along with an application squeegee. Black Out Window film, is ideal for internal partitions, external windows, bathrooms, changing rooms etc.