The oxygen supports the growth of bacteria, fungi, odors, and causes changes in the color of packaged foods. Our oxygen absorber packets are actually designed to absorb more than twice as much oxygen as what they are rated. If you are interested in making a purchase with us, get in touch with us through email: oxygenabsorbers@gmail.com. Call us at 7567688877. Send us a what's app message on 9879203377