1. EASY TO INSTALL AND REMOVE: The winter window film is designed for self installation. It can be easily installed with adhesive tape, requiring no drilling. It offers strong adhesion without damaging window frames or walls. The film can be effortlessly removed when not in use and is reusable. For daily maintenance, simply wipe with a damp cloth to remove dust. 2. ENERGY SAVING INSULATION: The winter window sealing kit helps block wind and cold, retaining warmth and preventing heat loss. It reduces electricity bills and saves energy while minimizing outside noise. The zip design allows for easy opening and closing. You can stay warm and windproof while still opening windows for ventilation when needed. 3. WIDE APPLICATIONS: Our window plastic insulation kits are suitable for most window types, including flat sliding windows and exterior sliding windows. They can be used in various settings such as living rooms, bedrooms, kitchens, bathrooms, studies, restaurants, and offices. 4. MATERIAL: The thermal insulation film is made of quality thickened PE material, effectively resisting cold wind, maintaining indoor temperature, and reducing outside noise. Its soft texture is water and oil resistant, making it easy to clean. The translucent window film ensures privacy while allowing light in. The heat seal design keeps windows covered and interiors clean.