1.Adjustable size: There are two sizes available, approximately 300 cm and approximately 400 cm, allowing you to adjust the length of our air conditioning seal according to your needs. This seal fits all types of sliding windows (horizontal or vertical) and is compatible with all portable air conditioners or air dryers. 2.PREVENT AIR LEAKS Made of special TU fabric and treated with a heatinsulating bleaching process, our gasket effectively blocks the loss of cold air while reflecting sunlight and heat to the outside. It helps to quickly cool down the room temperature, reducing energy waste and cost. 3.Complete sealing: Our air conditioning seal ensures a tight and gap installation due to its material and extended fixed sticker. It not only prevents cold air from escaping but also keeps flies and other pests away, providing excellent protection. 4.Improved details: With precise cutting and milling areas, our air conditioning seal allows for easy adjustment without distortion. The texture treatment near the outlet prevents the tape from falling off after inserting the air hose, achieving a seamless, gap seal.