Features: 1.Waterproof paint ink possess bright color, not easy to dissolve or fade with strong adhesion, can withstand high temperature of 80 2.The nib is made of fiber material with uniform ink, which is easy to write and durable 3.0mm oily line width, and the worn nib can be replaced easily without special requirement 4.Pen cover have strong sealing and lasts for a long time, the color of pen cover is the same as the writing color 5.Suitable for various materials surface such as glass, metal, plastic, ceramic, construction, automobile, wood, leather, paper, tire, etc. specification:Item Type: Paint markers Diameter: Approx. 1.5cm / 0.6in Length: Approx. 14.3cm / 5.6in Validity: Five years Color: Black, coffee Quantity: 1 Box of black, 1 box of brown(12 pcs per box) Uses: Suitable for various materials such as glass, metal, plastic, ceramic, construction, automobile, wood, leather, paper, tire, etc. Instructions: 1. When using the new pen, shake the pen up and down for several times to make the ink in the pen tube mixed well 2. Hold the pen upright, press the pen tip with your hand for a few seconds to release the air in the pen tube 3. Press the pen tip down for several times until the ink oozes before use PackageList:12 x Black Paint Markers12 x Coffee Paint Markers Note1.Please allow tiny size error due to manual measurement. Thanks for your understanding. 2.Please close the pen cover tightly after use and place in a cool and ventilated place horizontally.