AirLock Window for Portable Air Conditioner,400 Cm Flexible Cloth Plate Window with With Zip and Adhesive Fastener for Mobile Air-Conditioning Units Keep the Hot Air Out:The window for portable air-conditioners kit keeps the cool air inside your room by effectively diffusing the hot air out of the window.Preventing warm air circulating in your room,keeps your room cool Convenient and Practical:Made of nylon material,simply zipped in place between the window and window frame and can regulates the air exchange efficiently and keep out dust and rain.The can be closed easily when leaving.There is no need disassemble. Easy To Install:Simply apply the adhesive hook tape to the inside of your window frame and to the window itself.Attach the window to the hook tape.Then,open the zip on the window seal and place your air conditioner hose out of the window.At ,close the zip tightly around the hose. EFFICIENT BARRIER TO HOT AIR;Four zipper design that perfectly connects the window to the frame, provides a good and thus ensures good long-term maintenance of the cooling temperature in the room while helping to reduce energy losses and save electricity costs. In addition, the can be opened and closed as desired without affecting their function. Colour:White Material:cloth Size:190CM Package Contents: 1 x Window Air Conditioning Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.