Features: 1. Quick-drying, eco-friendly oil ink with strong adhesion can resist water and fading. 2. Double tip design with double size can meet your different needs. 3. Bright color can inspire your creativity and help you design as you like. 4. Suitable for most of surface such as metal, ceramic, wood, plastic, glass, stone, etc. 5. Perfect painting pen designed for art students, DIY enthusiasts, etc. Specification: Material: Plastic Pen Length: 14.3cm / 5.63in Weight: Approx. 137-145g Package Includes: 12 x Marker Pens (1pc of each color) or 12 x Black Marker Pens or 12 x Blue Marker Pens or 12 x Red Marker Pens (Based on your choice) Note: 1. Due to the difference between monitors and light effect, the pictures may not reflect the actual color of the item. Please take the real one as standard. 2. Please allow slight error due to manual measurement. Thanks for your understanding.