Features: Useful Thermal Insulation Film: The material of the window insulation film is PE, which has good transparency and gloss, tear resistance, and can effectively prevent the loss of hot or cold air. Optional Size: This product includes one piece of 120*160cm or 160*160cm or 180*200cm transparent film and one roll of 2.5cm wide tape and one roll of hook and loop fastener. Measure the size including the picture frame, choose the thermal insulation film slightly larger than your window. Reusable: Easy to install with self-adhesive hook and loop fastener, no drilling equipment needed. The material is soft, durable, and transparent. Can be folded for future reuse. Easy to Use: Suitable for most types of windows. Not suitable for windows with frequent ventilation. Combine two pieces of film with adhesive strips to cover larger windows. Customer Service: If you encounter any problems with our products, please feel free to contact us, we are ready to help. We will solve your problems as soon as possible. Specification: Material: PE Product Size: 120*160cm 160*160cm 180*200cm Notes: 1. Due to different monitors and lighting effects, the actual color may be slightly different from the image. 2. Due to manual measurement, please allow 1-3cm deviation. Includes: 1 Window Thermal Insulation Film 1 Roll of Tape