The covered food storage containers are 100 percent food grade and make it simple to freeze meals ahead of time, keep dry products fresh in the pantry, store leftovers in the refrigerator, or store nutritious snacks in the microwave or dishwasher. The high-quality plastic containers provide long-lasting, sturdy strength and are BPA-free and stain resistant. The space-saving stackable design of the food storage containers is available. They stack perfectly one atop the other.