I wouldn't put my Cream of Wheat or grits into one of these, as these delightful breakfast foods are comprised of small grains which harden upon cooling and might be difficult to wash out of the container. Other than that, these are ideal for those with children or smoothy-makers.
You cannot microwave them. But, you can pitch them into the dishwasher and the freezer, as necessary. They have a one-year guarantee and are recyclable.
Vital Link: Amazon