Quick and easy : This car rear windshield defogger kit offers a quick and easy solution for repairing scratched or broken rear glass defogger grid lines. It enables permanent and invisible repairs with minimal effort. Durable and practical: Made of durable materials, this kit delivers long lasting performance and is designed to withstand the demands of repairing defogger grid lines on car rear windshields. Convenient installation: The kit installs quickly by following the provided instructions. No additional tools or professional help required. Effective and cost saving: This kit provides an effective and affordable solution for fixing defogger grid lines. By repairing rather than replacing the entire rear windshield, you can save money. Use scenario 1: When the rear defogger grid lines are scratched or broken, use the kit to restore function and appearance without replacing the glass. Use scenario 2: As a do it yourself to avoid costly professional service or windshield replacement. Use scenario 3: In harsh climates or after wear that causes defogger performance to decline, apply the kit to maintain defogger effectiveness.