Pigeon Breast Milk Assist Breast Milk Freezer Pack 80ml and 40ml Set [For freezing and refrigeration] Retail price: 2200 yen (each) 80ml: 5 sheets used, 45 sheets remaining 40ml: 1 sheet used, 49 sheets remaining I am selling these because I switched to formula. The boxes have been opened and have some creases. (Please check the photos) The packs are in ziplock-like bags of 25 sheets each. One side of each ziplock bag is unopened. Perfect for these situations: 1. When direct breastfeeding is not possible, such as when going out. 2. When delivering milk to a hospitalized baby. 3. When direct breastfeeding alone is not enough. 4. When continuing breastfeeding while returning to work.