Lansinoh Breastmilk Storage BagsBreastmilk Storage Bags Are Perfect For Parents Looking To Store A Bank Of Breastmilk In The Fridge Or Freezer, Without Taking Up Too Much Space. Leakproof, Even When Laid Flat, Our Handy Bags Can Store Frozen Breastmilk For Up To 6 Months And Can Be Pumped Directly Into With Any Lansinoh Breast Pump, Saving Time And Preventing Any Messy Milk Transfers Of Spills. Made From Food Safe Polyethylene, Our Freezer Bags For Breastmilk Are Tough And Flexible,