Dust proof, water proof and oil proof, can be used for coffee beans, tea, grains, oatmeal，donut, cake, fruits, nuts, jerky, snacks, and baked goods.

Also 3 proof, add a indicator rope, this indicator rope is red when there is no oxygen in the package, and it will turn blue when oxygen is inside.

This oxygen absorber will absorb oxygen and release the same amount of carbon dioxide, It is often used in plastic canned packages.

This product can absorb O2 and CO2 at the same time, popular used for dates, coffee beans, and some other fruits and vegetables.

This kind of roll is suitable for large-scale production. It can be any deoxidizer or desiccant, and it has an eye mark for the machine to cut it easily.