Can be used for cooking, heating, and storing. It is very convenient to stand up on its own. It is a convenient item that can be used to heat in the microwave or hot water, and can be stored at room temperature or refrigerated or freezer, as well as cooking and user-friendly. If you fold the top along the groove, it will grow as large as a bowl, so you can put ingredients directly into the cook, or heat it in the microwave. The bottom is wide, so it is easy to stack meats and vegetables. The top is a zipper type. The hole on the handle is convenient for taking out when using hot water. Microwave, hot water, refrigerator, freezer, and dishwasher safe. Washable and reusable silicone bag. It is large and easy to reach and wash after wash. Since it is made of silicone, you can heat it in the microwave, hot water, or store it at room temperature, and it can also be stored in the refrigerator or freezer. Includes recipes for sustainable, time-saving and delicious dishes. Recipe supervision: Managed Dietitian, Inner Beauty Planner, Miki Maeda; Dishwasher safe. Material: Silicone rubber; Product Size: 9.1 x 4.7 x 7.5 inches (23 x 12 x 19 cm) (when zip closed); Capacity: Approx. 3.9 gal (18 L); Heat resistant / Cold resistant temperature: 448°F (200°C/-30°C); Note: When first use, please wash with dish detergent, dry it before using. At the beginning of use, you may feel the unique smell of silicone rubber. ·If this product is damaged or damaged during use, please stop using it immediately. Please do not seal when heating in a microwave or oven. Do not use directly on the fire or in the oven toaster or grill. Please do not heat it with a large amount of oil. Please use within temperature and temperature tolerance. After heating, the main unit becomes hot, so please be careful of burns. When storing liquid items, there may be leakage from the zipper, so please store it upright and store it. This product may have a food smell or discoloration. After use or when not in use for a long time, rinse and wash thoroughly and dry before storing. Do not use scrubber, cleansers with abrasives or bleach. If you pull it harder than it is necessary to avoid damage. Also, do not puncture with sharp objects. Do not expose to fire.