Way Perspective Heat Insulation And Sunscreen Film For Household FEATURES: Highly-reflective provides superior daytime while maintaining your view of the outside. This upgraded film can block most of the sun, reflect 99% of rays and 85% of infrared rays and increased interior comfort. The new strong glue design will help the mirror window film the window firmly and available for long use. Installation Instructions: 1. Measure the and cut the film. Leave an extra inch on each side for an easy adjustment. 2. Thoroughly clean the to ensure that the is clean enough. 3. Peel off the transparent backing film along a short side. 4. Spray a lot of water both on the adhesive side and window (Very Important!!!), then apply the film to the window. 5. use a squeegee to flatten the film gently and out little by little. 6. Trim off the margins and use a cloth to flatten out the film. Here you go! Product Size: 1. 30X100CM. 2. 40X100CM. 3. 50X100CM. 4. 60X100CM. 5. 70X100CM. 6. 80X100CM. 7. 90X100CM. Package Included: 1 x-Way Window Film Roll