Double Layer Windproof Auto Umbrella for Rain Car

21-inch 8 ribs auto open and close 3-fold umbrella is engineered as a professional defense tool against harsh weather conditions, offering steady protection when caught in a sudden squall while walking to a downtown meeting, or during a windy afternoon school run. Its core advantage lies in a unique 8-rib support structure and a double-layer canopy, which together create an exceptionally stable dome that resists inversion and keeps you sheltered even in driving rain. With its one-button automatic function, you can deploy reliable cover in an instant—whether stepping out of a car into a storm or bracing against a gusty commute—ensuring you stay dry, secure, and composed when the weather turns.   The frame utilizes a composite scheme of "1 aluminum rib + 2 fiberglass ribs + an iron shaft" to ensure overall rigidity.  While the use of more robust materials for ultimate windproof performance results in a weight of 384g, its folded size of 28*6.5*6.5cm maintains good portability.  It is an…

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