Key benefits Slim portable design: low profile and light weight for easy carrying. Stores in any bag so you have practical cooling power wherever you go. Durable and long lasting: reinforced PE core for breakage resistance and extended durability with regular use in lunch boxes and daily cooling needs. Versatile cooling solution: easy integration into cooling logistics and other cooling applications. Proven in breast milk storage and food cooling. Reliable cold effect and easy handling support a wide range of requirements. Consistent temperature control: ice crystals with expansion capacity maintain cooling performance for chilled food and drinks. Use scenarios Daily meals and beverages: keep lunch items, dairy, meats, and drinks cold for hours in work or school lunches, picnics, or small coolers. Breast milk storage and transport: portable cooling solution for safe handling and storage during trips to daycare, clinics, or on the go. Outdoor activities and travel: suitable for trips, hiking, gym bags, and vacations to maintain cold food and beverages while on the move.