Efficient and Comfortable: The portable air conditioner window seal fixes the air conditioner hose between the frame and the window, forming an enclosed space that traps cold air inside while blocking the hot air discharged through the air conditioner duct. This can quickly lower the indoor temperature while preventing insects like mosquitoes from entering, allowing you to spend a cool and comfortable summer. Save on your electricity bill: Frequent use of air conditioners in summer produces a large amount of carbon dioxide. With this air conditioner sealing kit, you can create a cool space while consuming less energy, effectively reducing your energy consumption and carbon dioxide emissions, and lowering your electricity bills. High-quality PU material: Made of durable high-density PU coated fabric, it has a soft texture, excellent sealing performance, is waterproof, windproof, and UV-resistant. The thick PU coated fabric is insulated and bleached to effectively reflect sunlight,