What can you put inside round plastic containers in the kitchen?

Round, plastic containers such as Snapware's Airtight Food Storage .5 Cup Nesting Bowl and Chefland's 25 Oz. Round Food Storage Container with Lids Clear Plastic can be used to store prepared food to keep the food fresh. These containers can also store food ingredients in the kitchen.

Snapware's Airtight Food Storage .5 Cup Nesting Bowl can store perishable food as it has a lid. It can also store soups, broths or other liquids with its airtight seal.

Chefland's 25 Oz. Round Food Storage Container with Lids Clear Plastic can store frozen foods like fruit, meatballs or chicken pieces with its high temperature resistance.