The bent sides are not microwave safe, but you can eat delicious lunches without heating them in the microwave. Also, it is not dishwasher safe, but it is lacquered or urethane coated so it can be easily washed by hand. This is a trademark bent lunch box with one point whisker. It is perfect for your dads lunch. The wood grain is cute, and the scent of cedar is slightly diffused and very relaxed. Although it is nostalgic, this "Wappa Bento Box" looks modern in this era, it gives you a gentle feeling of light and warm wood. The cedar wood moisturizes so that it wont easily become hard to get stuck even when the rice is cold. Use it for a long time. It is a large size, so it is recommended for working men. Large capacity 30.4 fl oz (900 ml). Side dividers. (Dividers are removable) When you are admission or job jobs, you start a new life. Would you like to enjoy a fresh feeling of your lunch box as well? Natural wood bento box is good to eat slowly. Product Number: mw-117 [Size] Approx. 7.5 x 5.9 x 2.4 inches (19 x 15 x 6.2 cm) [Capacity] 30.4 fl oz (900 ml) [Material] Natural wood (Cedar) [Paint type] Urethane paint