Complete Pottery Painting Kit: This set includes two versatile black underglaze pens, ideal for both fine and thick line work. Perfect for detailed designs on ceramics, these pens enhance the tactile and visual appeal of your artwork. High-Temperature Resistant: Made from premium materials, these pens can withstand firing temperatures between 2102°F and 2336°F (1150°C–1280°C). The colors remain vibrant and durable 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. Begin painting with even pressure. Avoid pressing too hard to prevent ink seepage. Designed for smooth, continuous application without lingering in one spot. Versatile Application: Ideal for a variety of ceramic surfaces such as cups, plates, bowls, and other pottery items. Great 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 due to lighting and display differences. These variations do not affect the performance of the product. Color: Black Material: Plastic Package Contents: 2 x Underglaze Pens Note: The package includes only the items listed above. Measurement error allowance: +/- 1–3 cm.