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. Features strong adhesion without damaging window frames or walls. Can be effortlessly removed when not in use and reused. For daily maintenance, simply wipe with a damp cloth to remove dust. 2. ENERGY SAVING INSULATION – The winter window sealing kit effectively blocks wind and cold, retains warmth, and prevents heat loss. Helps reduce electricity bills and conserve energy while minimizing outside noise. The zip design allows for easy opening and closing. Stay warm and windproof while still being able to open windows for ventilation, ensuring effective insulation. 3. WIDE APPLICATIONS – Our window plastic insulation kits are compatible with most window types, including flat sliding windows and exterior sliding windows. Suitable for 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 external noise. Soft texture, water and oil resistant, and easy to clean. The translucent window film provides privacy while allowing light in. The heat seal design ensures windows stay clean indoors.