About this item ? 3 Layers Protection- Our window air conditioner cover is made of 3 layers material, 420D oxford fabric, pearl cotton and aluminum foil, giving the insulation window ac cover best quality to protect outside ac unit in bad weather. ? Great Insulation- This air conditioner window cover is functional in preventing cold air flow into house and warm air flow away from house, which helps keep your house warm in winter. ? Fit AC Bracket- This insulation air conditioner cover can be cut if you have ac bracket on window. Our window ac cover suits for outside ac unit with or without ac bracket. ? Two Fixing Straps- We provide 2 metal buckle straps in the package, functional in fixing the air conditioner cover in place, which prevents the ac window cover from been blow away. ? Applicable Size- The size of our winter air conditioner cover is about 21"L × 15"H × 16"D, suitable for outside ac unit under this size. Please check you ac unit before purchasing, thanks. › See more product details