Rainproof treatment of glass.Glass does not adhere easily to oil, bird droppings, insects, ice and snow. Expect dirty, easy to clean.Improves visibility in the rain, allows you to see clearly and drive safely.One applicator treats an average windshield, operation is simple. With normal use, the effectiveness can last up to months at a time. When shopping, please pay attention to the size and dimensions of the product to ensure that it meets your needs. In the title and , we have provided detailed information about the product, including its features and specifications We want you to be completely satisfied with your purchase, so or concerns, . We are here to help and will do our best to assist you. Thank you for choosing our product. We hope you enjoy it!