New windproof insulation mode! High quality nano silver coating not only provides wind resistance, but also reflects thermal radiation to prevent heat loss. Double layered air cotton fiber provides double insulation. The built-in PE film has better waterproof and windproof performance, preventing cold air from entering. Internal and external protection, with higher insulation performance! Its performance is like a windproof cotton jacket in winter, with 2 layers of air cotton added to enhance its insulation performance. It has stronger insulation and wind resistance than cotton coverings.The adhesive strip with backing glue helps the cover to be securely installed and will not fall off. Exquisite wiring, stable, and sturdy. The soft polyester taffeta lining is skin friendly, delicate, and will not damage AC The elastic band and adjustable buckle provide adjustable performance.