Efficient and Comfortable: The portable air conditioner window seal fixes the air conditioning hose between the frame and the window, creating an enclosed space that traps cold air inside, while the hot air exhausted through the air conditioning duct is blocked outside. This helps quickly reduce the indoor temperature, while preventing insects such as mosquitoes from entering, giving you a cool and comfortable summer. Save on Your Electricity Bills: In summer, intensive use of air conditioning produces large amounts of carbon dioxide. With this air conditioner sealing kit, you can create a cool space while consuming less energy, effectively reducing energy consumption and carbon dioxide emissions, and lowering your electricity bills. High Quality PU Material: Made of durable high-density PU coated fabric with soft texture and optimal sealing, it is waterproof, windproof and UV resistant. The thick PU coated fabric has a high-density PU coating process. heat insulation and whitening,