Keep the Hot Out:The window seal for portable -conditioners kit keeps the cool inside your room by effectively diffusing the hot out of the window.Preventing warm circulating in your room,keeps your room cool Convenient and Practical:Made of durable nylon material,simply zipped in place between the window and window frame and can regulates the exchange efficiently and keep out dust and rain.The windows can be closed easily when leaving.There is no need disassemble. Easy To Install:Simply apply the adhesive tape to the inside of your window frame and to the window itself.Attach the window seal to the tape.Then,open the zip on the window seal and place your conditioner hose out of the window.At , the zip tightly around the hose. Non-damage Window:The arilock seal is suitable for commonly-used window types(tilting windows or wings)except turn-tilt skylight product is not suitable.Fits window with a maximum three sides of 400 CM. color:White Material:cloth Package Contents: 1* AirLock Window Seal Only the above package content, other products are not included. Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.