1. Cover for the windshield washer bottle in the car - Easy to install and extremely convenient to use; protects the water reservoir. 2. Cap for windshield washer fluid - Made of robust and durable plastic, ensuring a long service life and compatibility with a wide range of car models. 3. Windshield washer reservoir - Constructed from selected plastic materials for durability and longevity; designed for repeated use over time; includes a closure cap for the bottle. 4. Cap for windshield washer fluid - Installation is straightforward and saves you effort; easy replacement of the windshield washer fluid cap. Use scenarios: - Replacing a worn, damaged, or missing cap on aging vehicles during routine maintenance to restore proper closure and prevent contamination. - Suitable for households with multiple vehicles or shops servicing many models, thanks to broad compatibility and durable materials. - In regular car care, the quick install and durable construction save time and help protect the washer fluid reservoir from dust and debris.