General description AirLock Window for Portable Air Conditioner is designed to effectively keep hot air out while maintaining cool air inside your room. This window kit is made of durable nylon material and features a flexible cloth plate measuring 230 cm, ensuring a snug fit for mobile air-conditioning units. It prevents warm air from circulating in your room, allowing for a more comfortable environment. Technical specifications Material: Nylon Size: 230 cm Color: White Measurement allowed error: +/- 1-3 cm Installation Apply the adhesive hook tape to the inside of your window frame and to the window itself. Attach the window to the hook tape. Open the zip on the window seal and place your air conditioner hose out of the window. Close the zip tightly around the hose. Usage Effectively diffuses hot air out of the window while keeping cool air inside. Can be opened and closed as desired without affecting functionality. Conveniently zips in place between the window and window frame,