<b>Specification:</b><br/><br/> Structure: 2ply <br/>Thickness: 2mil <br/>VLT(Visible Light Transmission): 20% <br/>IR Rej(Infrared Rejection): 99% <br/>UV Rej(Ultraviolet Rejection): 99% <br/><br/><b>Installation Steps:</b><br/><br/>Step 1. Measure the window surface (target surface) <br/>Step 2. Cut the film. Leave an extra inch is better <br/>Step 3. Clean the target surface thoroughly with much soapy water <br/>Step 5. Peel off transparent back film (Use 2 pieces of tape to stick to the corner and pull it apart) <br/>Step 6. Install the film onto the window <br/>Step 7. Use the squeegee to remove excess water and bubbles. (From top to bottom, from the middle to the sides) <br/>Step 8. Cut off the edge and enjoy your work