The Wallaby 20pk 2500cc Oxygen Absorbers are designed for long-term storage of dried and smoked food items like spices, grains, and herbs. These small, white oxygen absorbers help extend the shelf life of your food by absorbing oxygen and preventing spoilage. With each absorber retaining the flavor of the stored items and helping to prevent premature spoilage, these oxygen absorbers are a convenient and effective way to keep your food fresh for longer periods.