This infant formula milk powder can supply necessary microelement and other nutrition for infants health. 1. Aluminum-pet foil sachets of 400 grams each; every sachet will be sealed with nitrogen gas A multiply paper bag with poly inner liner, every 24 sachets are put into one carton, shelf life is 12months. 2. Tins of 400 grams each (every 24 tins are put into one carton) and 900 grams each (every 12 tins are put into one carton); every tin will be sealed with nitrogen gas