Versatile Use Ideal for lunch boxes, breastfeeding milk storage, hospital use, tailgating, travel, or picnic coolers. This ice block keeps items cold for hours and supports various scenarios where temperature control is critical. Long-Lasting Cooling Performance Designed to retain cold for extended periods, this reusable freezer pack keeps food, beverages, and perishable items fresh longer than traditional ice without the risk of melting water. Reusable and Eco-Friendly Built with durable materials, this cooling brick is reusable and environmentally friendly, providing a safe and sustainable ice substitute for everyday cooling needs at home or on the go. Compact and Portable Design Slim, lightweight design fits easily into lunch boxes, breast milk bags, or small coolers, making it convenient to carry while traveling, commuting, or during outdoor activities like hiking or road trips. Use scenarios - Daily lunch or school meals: keep perishables cold until lunch, ensuring freshness and safety. - Breast milk transport: maintain a stable cool temperature for expressed milk during trips or outings. - Travel, outdoor activities, and events: road trips, picnics, tailgating, hiking, and other on-the-go cooling needs in small to medium coolers.