1200ML is an upgraded version with a portable and a plastic spoon 1300ML no portable no gift plastic spoon The stainless steel liner lunch box cannot be used in a microwave oven, otherwise cremation will occur during the heating process of the microwave oven. After the stainless steel material reflects microwaves, it will also cause damage to the microwave oven, so that the microwave oven cannot heat food normally. Except the stainless steel liner lunch box cannot be put into the microwave oven, all metal materials such as iron, aluminum and enamel lunch boxes cannot be put into the microwave oven, otherwise the microwave oven may be damaged. Each option has a detailed sample map, please see the buyer clearly and place an order. Thank you! To prevent some buyers from not seeing clearly and buying the wrong one and then giving the seller a bad review, please read it clearly and place an order. Thank you!