This is a folding pack for easy storage of 40ml of breast milk. - Brand: Pigeon - Contents: 40ml - Quantity: 20 sheets * The box has been discarded, so the exact number of sheets is unknown. It is likely 20 sheets. - Usage: For freezing and refrigeration The box has been discarded, but the bag is unopened as it was not used. Please understand that this item has been stored at home. Thank you for your understanding. Thank you for looking.