Plastic containers are also available in many sizes, shapes, and styles. They are found in different degrees of sturdiness, from light weight disposable containers to heavy duty rigid plastic container. They are manufactured with clear, frosted, and colored plastic and most have airtight lids. They work great for storing food in the refrigerator and freezer, where the airtight lids prevent moisture loss. The airtight lids keep foods, such as cookies, crackers, chips, and cereals form becoming stale for a longer period of time when stored at room temperature.