Complete Pottery Painting Kit: This set includes two versatile black underglaze pens, ideal for both fine and thick line work. Designed for detailed ceramic decoration, they enhance both tactile and visual appeal. 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 unfaded after firing, making them suitable for both amateur and professional ceramic artists. User-Friendly Design: To use, simply shake the pen and press the tip on paper until ink flows. Begin painting with smooth, even strokes. Avoid applying excessive pressure to prevent ink seepage. For best results, do not linger too long in one spot. Versatile Application: Ideal for use on various ceramic surfaces such as cups, plates, bowls, and other pottery items. Perfect for outlining, tracing, drawing, writing, and customizing DIY ceramic projects with precision and ease. Note: Slight color variations may occur between the product and the image shown. This does not affect functionality. Color: Black Material: Plastic Package Contents: 2 x Underglaze Pens Note: Light reflection and differences in display screens may cause slight color variations between the image and the actual item. Measurement may vary by +/- 1-3 cm.