The Williams Sonoma Black Cauldron Tea Coffee Mug is a stylish and whimsical addition to your kitchen. Made of durable stoneware, this 12 oz mug features a unique cauldron shape and design, perfect for those who love a gothic or Halloween theme. The black color and novelty features make it a fun and functional piece for autumn, all occasions, or holiday gatherings. Please review all the photos they are part of the description. If you have any questions, send me a message.