Product Information: Material: Oxford cloth + foam + aluminum foil. Accessories structure: there is an elastic band for storage on one side of the product, and there are two eyelets on the upper end, which can be fixed on the front windshield with a suction cup. Product performance: using Oxford cloth + foam + high-quality aluminum foil material, it can effectively shield your car from the sun, effectively protect the interior of your car, prevent aging, heat resistance, and the most comfortable and cool interior environment. The sizes of Medium: 51"28" (130*70cm) and Large: 55"30" (140*76cm) are perfect for the windshields of most models. Washing instructions: It is recommended to wash by hand, not soak for a long time, do not bleach, and the temperature of the washing liquid should not exceed 45oC. Special note: This size data is normal due to different measurement methods. The error is within 1-2cm. Time of Production: 4 - 6 business days. Shipping : 7-15day