Please Choose the Right Size: Window AC unit cover size is 17W * 12D* 13H inches (43*30*33cm), suit for most standard window ac units 3,000 - 7,000 BTU.Profect Protect Air Conditioner: Black window AC cover not only could protect the ac unit from sunlight, and dust, but also prevent scratches, delay machine aging, and prolong the service life.Profect Protect Air Conditioner: Black window AC cover not only could protect the ac unit from sunlight, and dust, but also prevent scratches, delay machine aging, and prolong the service life.Double Straps Design: Outdoor window AC protection cover has two adjustable straps with a snap buckle, making the cover not easy being fall due to wind, also easy to put on and take off.Please Note:Please choose our product according to your air conditioner size. In order to long time use, we suggest cleaning it regularly.