Effective Air Lock Window Seal: The Air Lock Window Seal is designed specifically for portable air conditioners, providing a tight seal to prevent warm air from entering your space, ensuring optimal cooling performance. Flexible Cloth Sealing Plate: Made from nylon material, this flexible cloth sealing plate easily adapts to various window sizes and shapes, making installation quick and hassle-free. Convenient Zip and Adhesive Fastening: Featuring an innovative zip and adhesive fastening system, the Air Lock Window Seal guarantees a secure fit around your window, allowing you to enjoy uninterrupted airflow and energy efficiency. Available in Two Lengths: Choose from two lengths—300cm or 400cm—to perfectly match your window dimensions, ensuring that no gaps are left for hot air infiltration, enhancing your cooling experience. Sleek White Design: The Air Lock Window Seal comes in a clean white color, seamlessly blending with any window decor while maintaining the aesthetic appeal of your living space.