- IDEAL SOLUTION: Designed specifically for users of portable air conditioners, this window seal creates an efficient cooling environment in your home or office. - EASY INSTALLATION: Compatible with flip windows, tilt windows, and casement windows, our seal installs quickly and can be removed without leaving any residue, making it user-friendly and convenient. - HIGH-QUALITY MATERIAL: Constructed from durable non-woven fabric, this seal effectively blocks hot air from entering while retaining cool air inside, ensuring optimal performance of your air conditioning unit. - COMPATIBILITY: Suitable for standard tilting windows or sashes that open left or right, as well as skylights. Note: Not compatible with sliding windows or doors, ensuring a tailored fit for your specific window type. - PRACTICAL APPLICATIONS: 1. Perfect for maintaining a comfortable temperature in home offices during hot summer days. 2. Ideal for bedrooms to ensure a restful sleep without unwanted heat intrusion. 3. Great for living rooms, enhancing the effectiveness of your portable air conditioner while enjoying family time. This window seal is an essential accessory for maximizing the efficiency of your portable air conditioner while ensuring a comfortable living or working environment.