View Larger	Torus/Doughnut Mug For the math nerd - "What a tasty surface of revolution!" - a doughnut, or torus. $12.95 Qty:    AVAILABILITY: Product Number: 4399911 Product Information The perfect size for your favorite morning beverage or late night brew. Large, easy-grip handle. Treat yourself or give as a gift to someone special. Measures 3.75" tall, 3" diameter Dishwasher and microwave safe