Product details: Name: Car Tire Oil Marker Car Rubber Tire Paint Pen Paint Marker Graffiti Touch-up Paint Color: Black, Red, Blue, Green, Yellow, Purple, Orange, Brown, forGold, forSilver, White, Rose Red 1: Before use, shake the pen body up and down several times to mix the ink in the pen tube evenly. 2: Open the pen cap, stand the pen upright, with the pen tip facing up, press the pen tip with your hand for about 3-4 seconds and let go to release the forair in the pen tube (the new pen is in a completely sealed state, there is a lot of forair in the tube, and excessive pressure will cause a large amount of ink to spray out during use) 3: Press the pen tip down several times until the ink seeps out and you can use it. Note that the pressed ink must be used up (the ink is diluted) before pressing again to prevent too much ink from seeping out. 4: Please cover the pen cap tightly after writing, and repeat the first method when using it again. 5: When the pen is finished, put the pen cap on and place it vertically with the pen head facing down so that the color will not change when used next time (the paint will settle) Products include: Car tire touch-up pen Note: Please allow slight size errors (1~2 cm/0.39~0.78 inches) due to manual measurement, which is subject to the actual received; please allow slight color errors under different monitors.