Volcanics static cling film is easy to apply and remove due to non adhesive feature. The force of static sticks the film to the glass, so there will be no residue after removal and film is totally reusable. It’s ideal for rented properties or for temporary privacy requirements. Volcanics film offers year-round energy savings, the dual action window film helps keep heat out in summer and reflects warmth in winter. It's like sunglasses for your home protecting the interior from harmful UV rays. The lifetime guaranteed window film is safe for your windows, and you can experience the comfort and see the saving. The film makes it harder for people outside to see inside. This decorative film also updates the look of a window and takes it from boring to stylish. It also serves safety purpose: Broken windows happen, whether from a ball or an act of nature. A window covered with film is less likely to send broken pieces flying in all directions. Note: 1. Package includes: 1 * Volcanics Window Film and 1 * Manual 2. The film itself has no color. The rainbow colors only show when the sunshine or any light shines through.