Thank you for viewing. This is a set of 20, 40ml capacity, fold-over breast milk storage bags for freezing and refrigerating. I purchased these but did not use them, and they have been stored in a dark place. The bag containing the freezer packs is unopened. (Please check the second photo) (Note) Due to shipping costs, the outer box will be sent folded. Please be aware of this. - Brand: Pigeon - Capacity: 40ml - Quantity: 20 pieces - Usage: For freezing and refrigerating - Features: Fold-over style - Design: Plant motif Type: Breast milk storage bags