This Iron Based oxygen absorber is

*Oxygen packets for food storage increase your food shelf life in a safe as well as the effective manner and retains fresher for longer with its delicious flavor.

*50cc Oxygen absorber food grade are the best natural freshness preserver that retains flavors of ingredients and freshness in foods. These are used to remove oxygen from within a sealed environment.

*For unused sachets, please seal as tight as possible to ensure no air/oxygen enters.