COVERTIFY Portable AC Window Vent Kit, Heavy Duty Heat-Insulating Air Conditioner Window Seal Kit, Cut-to-Length AC Unit Windows Kit - Fits 10" W x 43–64" L Windows

["Zero-Gap Seal - Our upgraded fabric is thicker and more durable. This AC window seal kit effectively blocks hot air while locking in cool air. It is UV resistant, tear resistant, and waterproof to keep rain and outdoor elements out. The zero-gap seal helps lower your energy bills","Extreme Temperature Resistance - This portable AC window kit withstands temperatures from -30°C to 50°C without losing grip. It stays firmly in place, resists peeling, and can be reused multiple times","Cut-to-Fit Design - This air conditioner window kit fits sliding windows, casement windows, and single- or double-hung windows. The cut-to-fit design works with window lengths 43 to 64 inches — including 43, 47, 49, 51, 55, and 64 inches. Please measure your window before ordering","No Drilling & Easy Installation - This AC window vent kit requires no drilling or tools. It installs quickly, removes easily, and can be reused season after season. It leaves no damage behind and won’t harm your window frame, making it perfect for renters","Save Money - A proper air conditioner window seal helps your AC work less to keep your room cool. This kit effectively reduces cool air loss and blocks hot air from sneaking back in, helping you save energy and lower your electricity bills"]