This Whimsical Avocado Mug is made of high-quality ceramic porcelain. Our traditionally crafted porcelains are made of the highest quality porcelain available and fired at a high temperature to maximize the strength of the porcelain, making them superior to other ceramics in the market. Our porcelains are more resistant to cracks, stains, and scratches. Our porcelain is food-safe and contains no lead or cadmium.