This 3D image coffee mug was designed for sloth lovin' stoners! The mug is constructed from stoneware ceramic, which is dishwasher and microwave safe for your convenience, and this mug can last a long time without fading or scratching. That said, we always recommend hand washing your mugs to ensure a lifetime of use. Using a comfort grip C-handle, the 11 oz mug is a must have for your collection!