Unlike regular zipper breast milk storage bags, Dr Dudu Durable/reusable Milk Storage Bags feature threaded caps to keep your milk safe. You can safely transfer your milk from work to home in our cooler without worrying about leakage. Get the Dr Dudu Durable/reusable Milk Storage Bags (30 Pieces)

DIRECT-PUMP, FREEZE, HEAT AND FEED: Pump directly into the storage bag by attaching them to your breast pump using our twist-locking adapters. Afterward, screw on the cap and store it in the refrigerator or freezer.