Complete Pottery Painting Kit: This set includes two versatile black underglaze pens, designed for both fine and thick line work. Ideal for detailed designs on ceramics, these pens enhance both tactile and visual appeal. High-Temperature Resistant: Made from premium materials, the pens withstand firing temperatures between 2102F and 2336F (1150C1280C). The colors remain vibrant and unfaded after firing, making them suitable for both amateur and professional ceramic artists. User-Friendly Design: To use, simply shake the pen and test it on paper until the ink flows smoothly. Apply with light pressure to prevent ink seepage. Designed for smooth, continuous drawing without lingering too long on one spot. Versatile Application: Suitable for a wide range of ceramic surfaces, including cups, plates, bowls, and more. Perfect for outlining, tracing, drawing, writing, and customizing DIY ceramic projects with ease. Note: Slight color variations may occur between the actual product and the images. This does not affect functionality. Color: Black Material: Plastic Package Contents: 2 x Underglaze Pens Only the items listed above are included; other products are not part of this package. Note: Lighting and display differences may cause slight color variations between the image and the actual item. Measurement may vary by +/- 1-3 cm.