Travel-friendly and compact: lightweight and portable, this ice pack fits easily into most bottles or storage bags for convenient cooling of pumped breast milk. Compatible with breastmilk storage containers and breastmilk storage bags. Reusable and convenient: built for repeated use, it is easy to place into milk bottle storage bags, breastmilk freezer bags, or breastmilk cooler bags to keep milk cool without creating waste. Easy to carry: slim, compact design that fits into any bottle or storage bag, enabling a portable breastmilk cooler for on-the-go feeding and storage of milk bags for breastmilk storage. Practical and durable: designed for multiple uses to minimize waste and support practical breastmilk storage. Works with coolers for breastmilk storage and milk bags for breastmilk. Use scenarios: - Travel or outings: place the ice pack in a bottle bag or travel cooler with pumped milk to maintain cold temps between feeds. - Daycare or work: keep bottles cool by inserting the ice pack into the bottle storage bag or breastmilk freezer bag during the day. - Clinics or trips: transport pumped milk securely in a breastmilk cooler bag with this reusable ice pack for dependable cooling.