All MugWorld mugs carry a Lifetime Guarantee against fading. All mugs are 15 ounce pure white ceramic mugs. The mugs have a special coating that allows the art to be transferred into the surface of the mug; this is known as a dye sublimation process, it is NOT a decal. The sublimation transfer provides a much better and longer lasting product along with superior detail and bright vivid colors. • 100% Lead Free ** • Microwave, Dishwasher and UV Safe ** • Oversized 15 ounce mug ** • C Shaped, Four Finger Handle ** • 320 Degrees of Art ** • Artist's Signature Appears on Every Mug **