Daydream Books 11 oz. Ceramic Mug Jazz up your java! Why drink coffee out of an ordinary mug when a Daydream Books mug is so much cooler? Our white 11-oz. ceramic mug is microwave-safe and safe in most dishwashers, but hand-washing is recommended. Mug is FDA approved. $14.99 Mugs are safe in most dishwashers, but we suggest they be washed by hand. Mugs are microwave safe. Keep out of direct sunlight. Mug left in direct sunlight may fade gradually over time. Mug is about 4" tall and 3.125" in diameter. An adult male can comfortably fit three fingers inside the mug handle.