Insulation and Cooling Performance: This portable AC hose cover traps heat inside the hose, preventing hot air from escaping to the outside, saving energy and lowering indoor temperatures. This reduces heat buildup in the exhaust duct, keeping your home cool and comfortable during the summer. Universal Size: The portable AC hose vent insulation cover measures 59 inches long and 21 inches wide, fitting most of 5-inch and 5.9-inch diameter exhaust hoses. Easy Installation: This AC vent insulation cover is incredibly easy to install: First, remove the hose from the portable air conditioner and stretch it. Second, wrap the cover around the hose using , noting the elastic bands at each end. Finally, simply attach the deformed hose to the AC vent and secure with the elastic buckle. The cover not fall off, even if the hose is bent nearly 90 degrees. High-Quality Materials: The portable AC hose cover is made of three layers of high-quality insulation material that is thick yet flexible. The double design fits most AC hoses, ducts, and conduits, providing excellent protection. Washable and Removable: The portable air conditioner hose insulation cover is easy to remove and clean. Simply wash with water and dry in a well-ventilated area or under the sun. It also folds for convenient storage . Exquisite Design and Packaging: This portable air conditioner insulated hose cover features a tightly woven edging design with flexible double and three adjustable elastic straps for better fit and support. Package includes two air conditioner hose vent cover and six elastic buckles. Color: As shown Material: Cloth Package Contents: 2 X (Tube sleeve*1+elastic band*3) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.