The bottle contains sliding parts in it. When you shake the pen up and down, the sliding parts can stir the paint in the bottle and make the paint mix well. As long as you tighten the cap of the bottle, the scratch repair pen can be kept for four years and more. New generation Car Scratch Repair Remover Pen. A must-have item for car lovers and drivers. It will. Save lots of time and money for you to repair small scratches. Excellent design for clear coat and auto scratch repair. permanent, water-resistant. Portable and easy to use. Clean the place to be repaired, remove the iron rust, etc. (If it is cleaned water, wait for it to dry before proceeding to the next step.) Shake the paint pen for 10 seconds before using it to create the composition.
