Features 1. Nano reinforced coatings can enhance the strength of glass, prevent wear, and thus extend its service life. 2. Cost can provide long-term protection for glass, reducing the need for frequent replacement or repair of glass. 3. Nano coatings can ultimately effectively prevent rent from forcibly entering and improve your overall safety. 4. A car sponge can clean the dust or debris on the surface of the glass. 5. Durability and Maintenance: The coating is designed to be durable and resistant to some common environmental factors, but requires appropriate maintenance. It is recommended to use a soft cloth or tissue when cleaning and avoid using irritating cleaning agents. Specification Material: Ponge Color: Black Size: 11 x 7 cm Weight: 35 g Package Include: 1x Car Sponge Eraser