Big glass food storage containers are excellent at preserving the freshness of your food. The airtight seals that many glass containers offer prevent air from entering, thereby keeping out moisture and prolonging the life of your ingredients. This is particularly beneficial for fruits, vegetables, and cooked meals, which can quickly lose their freshness when exposed to air. Furthermore, the transparency of glass allows you to see exactly what’s inside, making it easier to shop your pantry and reduce food waste by using up items before they spoil.