<b>VELIMAX BLACK VERSION BLACKOUT WINDOW FILM</b> <br><br><b>SPECIFICATIONS:</b> <br><b>Material</b>: Vinyl <br><b>Environmental</b>: Through Europe EN71-3 standard and SGS <br><b>Type</b>: 2D painting <br><b>Thickness</b>: 0.22mm (excluding the backing film) <br><b>Average life</b>: 3 years <br><br><b>PACKAGE INCLUDED: </b> <br>1 Roll of Blackout Window Film  <br>1 Installation Guide <br><br><b>HOW TO USE:</b> <br>Step 1: Measure and record the size of the glass. <br>Step 2: Cut the window film into a proper size(a little bigger than glass). <br>Step 3: Clean the glass and spray enough soapy water on it. <br>Step 4: Peel off the transparent backing film and paste window film to glass. <br>Step 5: Squeegee away water and air bubbles with a squeegee or a credit card. <br>Step 6: Trim around the edges carefully with a utility knife and a hard card. <br><br><b>Q&A:</b> <br>Q1: Why the black window film can't stick well and fall down? <br>A: Maybe the transparent backing film wasn't peeled off, or the edges of film curled and you didn't deal with it. <br><br>Q2: Why the edge of window film curls? <br>A: The shape of film is just temporarily fixed curly because of the low temperature. <br>Solution: You can simply use heavy books to flaten the edges of window film for a few hours. After that, apply it again on the glass. <br><br>Q3: Why do I need to spray soapy water on the glass? <br>A: Spraying soapy water will be helpful to adjust the position of film, and will make it easier to scrape away air bubbles. <br><br><b>AFTER-SALES SERVICE:</b> <br>30 days return policy guarantee against any product defects. If you have any questions about our product, please contact us, we will provide all the customers the best service.