1, Effectively Prevent remove unpleasant odors in the refrigerator, 2, Safety and Eco-friendly ,non-toxicaaimprove air quality ... Application: Useful in various types of refrigerator, the place have the odor smell .Ingredients : Activated CharcoalNet ... :Peel off the outer package , place it in the refrigerator.Last time:about 6 months Storage : 3yeas(sealed condition, ...