Advanced Heat Management: This air conditioner hose cover employs a quilted structure technology to block heat conduction effectively, ensuring minimal AC heat loss. Despite its robust multi-layer design, it remains lightweight, enhancing both efficiency and user comfort without adding extra bulk. Secure Zippered Design: Featuring a practical zippered connection, this insulated hose cover ensures easy installation and a secure fit, preventing detachment. It's designed to accommodate both 5.1inch and 5.9inch diameter hoses, providing excellent support for bends up to 90 degrees, enhancing durability and functionality. Enhanced Cooling Efficiency: By shielding your AC hose from external heat, this cover helps maximize your air conditioner's cooling output. It reduces the operational stress on your unit, leading to more cost-effective and energy-efficient performance, making it an essential accessory for hot climates. Comprehensive Hose Protection: The cover extends over the entire surface of the hose, effectively sealing any connection gaps and blocking the entry of debris. Crafted from durable materials, it ensures long-lasting protection and performance, maintaining the integrity of your AC system. Flexible and Versatile Use: Designed with an elastic, stretchable construction, this hose cover seamlessly adapts to 5.1inch and 5.9inch hoses. Its compatibility with portable air conditioners makes it an ideal choice for homes, apartments, dorms, and hotels, offering reliable use in a variety of settings without restrictions. Color: As Shown Material: Cloth Package Contents: 1 * Protective Cover