Material - Made of durable plastic, this windshield washer reservoir cap provides reliable performance and long service life as a straightforward auto accessory replacement. Benefits - Economical and convenient to use, offering a practical solution for maintaining your vehicle’s windshield washer system. - Helps protect the washer fluid bottle from contamination and leakage, supporting consistent washer performance. Installation - Remove the old cap from the windshield washer fluid bottle. - Install this cap firmly onto the bottle, ensuring a tight seal to prevent leaks. Performance and reliability - The washer cap is stable and highly reliable, helping to prevent water overflow from the container and contributing to a smooth driving experience. Use scenarios - Replacing a worn or missing cap on a windshield washer fluid bottle after maintenance or service. - During washer fluid refills to prevent spills and ensure proper sealing. - As a replacement part for vehicles whose original cap is damaged or lost, maintaining secure closure of the washer fluid reservoir.