Another advantage of glass food storage containers is their ability to preserve food freshness. Glass is non-porous, meaning it does not absorb odors, stains, or bacteria, which can often occur with plastic containers. This feature is particularly beneficial for storing strong-smelling foods or sauces, as they can be used multiple times without retaining flavors. Additionally, many glass containers come with airtight lids, providing an effective seal that keeps food fresh for longer, minimizing food waste and saving money.