【Keep Bugs Cool】The window seal keeps hot air from your portable air conditioner hose away by locking the hose between the window frame and the window itself. Our waterproof window seal cloth also keeps you worry-free from bugs, dust and mosquitoes, providing you with a cool and comfortable living environment. 【Reduce Energy Consumption】Due to the intensive use of air conditioning, it is particularly high in summer. To prevent indoor hot air from entering, this window ventilation kit helps to effectively cool the room and can effectively reduce the loss of energy consumption. 【Universal Window Seals】 The air conditioning window seals are suitable for sash roof windows, pull-out casement windows and hinged casement windows with a maximum circumference of 2M or 3M. Please measure the perimeter of your window before purchasing. 【Durable and Practical to Use】 The AC window sealing strip is made of high-quality environmentally friendly waterproof polyester fiber, which can effectively