Fired from rough earthenware clay, this vintage coffee mug is thick, rustic, and full of life, each piece has its flavor. The mug has thickened walls and a glazed interior for a comfortable touch on the lips. Wider handle design, heat insulation, and anti-scald effect. Unglazed bottom for smooth placement. Made from ceramic material, measuring 4.84*3.26 inches, this custom business office 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.