These patented meal prep food containers are first in their class with a unique built-in ventilation tab. It is unlike any other container on the market as it can be vented to release steam and disperse your pleasant meal aromas in the air. When storing or prepping food, the airtight vent can be closed to keep freshness in. These plastic containers can be used for food preparation, meals on the go, and for storage on the shelf, in the freezer or in the fridge. They are convenient and easy to use or reuse depending on your purpose. They have leak proof, spill proof lids, which make them ideal for packing meals.