- WEATHERPROOF WINDOW INSULATION KITS: Designed to effectively block cold air from entering your home, our thermal insulation film helps maintain a stable indoor temperature. This minimizes heat loss, reduces heating costs, and lowers electricity consumption, making it an eco-friendly choice. - DURABLE THICKENED EVA MATERIAL: Crafted from robust thickened EVA, this insulation film is tear-resistant, wind-resistant, and stretchable. It withstands winter conditions while keeping your space warm, and stays cool in the summer. The waterproof feature ensures long-lasting performance, and the film is reusable for added convenience. - SIZE SELECTION: Available in multiple sizes to fit your windows perfectly. Measure the inner diameter of your window and select a size 6-10 cm larger for optimal coverage. For window frame measurements, choose the size based on your actual measurements to ensure a proper fit. - EASY INSTALLATION AND REMOVAL: Our winter insulation kit can be installed effortlessly with adhesive loop straps—no drilling or special tools required. Simply follow the included product diagram for straightforward installation. Each kit comes with one piece of winter plastic window film and hook and loop tape. - USE SCENARIOS: Ideal for homes in cold climates to prevent drafts and save on heating bills. Perfect for maintaining a comfortable environment in playrooms, bedrooms, or home offices. Also suitable for seasonal use, allowing you to easily insulate windows during winter and remove the film when not needed.