It is made of ceramic with white porcelain, it has good porcelain permeability and thermal stability. Smooth handle, easy and effortless to hold. The bottom of the cup is made of frosted non-slip technology, which is stable and non-slip and will not hurt the desktop. High-temperature firing, lead-free glaze, health and peace of mind, long-time use as new, do not fade. Measuring 4.01*3.15 inches, this custom high-value drum ceramic mug 12oz. Usage Scenarios: Office supplies, school stationery, corporate promotions, trade show giveaways. We offer logo printing and full packaging customization. Product Highlights: BPA-free, leak-proof, travel-friendly.