1. Strong protection and stable adhesion This kit firmly adheres to the window frame. The adjustable ventilation kit with a cable design provides effective resistance to intrusion under various conditions. 2. Smart size fitting Designed for smart adjustment, the kit uses elastic components to fit multiple windows, delivering reliable sealing with minimal effort and maximum adaptability. 3. Heat sealing and insulation Effectively blocks external heat infiltration to maintain a constant interior temperature, while improving energy efficiency and comfort during use. 4. Easy installation Unfold the air-conditioning sealing cloth kit, tighten its cotton, and apply the adhesive fixing strip to ensure proper sealing without any problems. Use scenarios - Home with a window air conditioner: reduces heat transfer and drafts, improving cooling or heating efficiency and comfort. - Rental properties or homes with multiple windows: elastic fit handles varying window sizes, allowing quick, tool-free installation and removal as needed. - Office or bedroom on hot sunny days: blocks external heat to help maintain a stable indoor temperature and enhance energy efficiency.