These Baby Moby Nutrients Lock Breastmilk Storage Bags are specially designed for safely storing breast milk. Each bag is made from a double-layered film, ensuring maximum protection against air, moisture, and light that can compromise nutrients. The bags feature a convenient double zipper that prevents leakage, allowing for worry-free storage and freezing. Additionally, the separated pouring spout ensures hygienic transfer without contamination, making them easy to use. With fun designs on the packaging, these bags are both practical and appealing for new parents.