This is a 50-pack of 100ml breast milk storage bags, allowing for hygienic freezing and storage of breast milk. Purchased in December 2025 and stored at home. If you need the box, it will be an additional 350 yen. Retail price: 2381 yen - Brand: Kaneson - Capacity: 100ml - Quantity: 50 bags - Product Type: Breast milk storage bags - Features: Hygienic freezing and storage of breast milk - Special Features: Japan's first breast milk freezer bag Thank you for looking.