-An useful mug for schools, offices and at home. -It also can be enjoyed as a room decorating item. -The item follows the New Food Sanitation Law of Japan and is safe. -Microwave safe. -Please refrain from using with direct heat, or in an oven or dishwasher as this may damage the item itself and/or cause the printed design to change color. -The use of scrubbing tools and/or powder detergents may damage the surface.
