- Designed specifically for frequently used tilting windows, this seal is perfect for left-opening, right-opening, bottom-hung windows, and skylights. Note: it is not suitable for sliding windows or doors. - Made from durable non-woven fabric, this window seal effectively blocks hot air from entering, ensuring your space remains cool and comfortable even on the hottest days. - An essential accessory for users of portable air conditioners, it enhances cooling efficiency and helps reduce energy costs in homes and offices. - Compatible with top-hung windows, tilt windows, and casement windows, the seal can be easily removed without leaving any sticky residue, allowing for effortless installation and removal. - Use it in various settings: at home in your living room for optimal air conditioning performance, in your office for a productive work environment, or in a bedroom to promote restful sleep without the disturbance of warm air. - Size and fit are tailored to standard window dimensions, ensuring a snug and effective barrier against outdoor temperatures. - With its practical design and high-performance material, this window seal stands out for maintaining comfort and improving energy efficiency throughout the day and night.