Our bowls are refrigerator safe, freezer safe and dishwasher safe, you can stack them to save space, 't give a strange taste and smell to your food, make sure that your meal stay fresh, delicious and healthy These bowls are engineered with a double-wall design that enhances your dining experience and works great in keeping rice, soups, and noodles hot without scalding and keeps ice cream cold without condensation These stainless steel bowls are made of heavy duty SUS304 stainless steel, which has no chemical odor, Eco-Friendly It is designed for multi use, are perfect for entertaining inside or outside the home. Also great to use for salad, cereal, oatmeal, appetizers, chips, dips, nuts, and other snacks.