Feature: Suitable for transparent & dark objects’s surfaces. Simple operation, easy to carry for your handy use. When you want to write something, this marker pen will be a better choice for you. It dries quickly after writing. Specification: Material: Oil-based paint marker Size: Total L W: 14.2 x 1.5cm(5.59 x 0.59in) Single weight: 0.02kg(0.71oz) Package include: 12PCS paint marker (1 x Each color) Using tips: Before you using it, shake the pen up & down several times, it makes the ink mixed & smooth. Open the lid, erect the pen, nib up, & press the nib down for 3-4 seconds. Press down the nib several times until the ink seeps. The ink must be used up before it can be pressed again. To prevent ink evaporation, make sure to put the lid back on Please keep this product away from fire. Please refer to the measurement. Tiny measuring error is allowable in normal range. There might be a little color difference due to the monitor, camera or other factors, please refer to the physical item. Tire Lettering Permanent Paint Pen Marker Waterproof Car Rubber Universal Oil Based Rock Glass