- Reliable Cooling: Our ice packs are specifically engineered to maintain optimal temperatures in lunch boxes, air coolers, and portable fans for hours. Keep your food, drinks, and devices cool, whether at school, work, or during outdoor adventures. - Reusable and Portable: Each ice crystal box is lightweight and compact, providing a practical solution for daily lunch packing, camping trips, picnics, and long travel days. Enjoy lasting cooling performance wherever you go. - Safe and Non-Toxic: Constructed from eco-friendly materials, these freezer blocks are safe for direct contact with food and drinks. Feel confident packing lunch boxes or chilling beverages for family and friends. - Versatile Applications: Ideal for air conditioners, portable coolers, picnic baskets, beach bags, and lunch containers, these ice packs effectively keep sandwiches, fruits, drinks, and snacks at the right temperature in any setting. Use Cases: 1. Keep your child's lunch fresh and cool during long school days. 2. Perfect for a day out fishing, ensuring your drinks stay chilled. 3. Maintain the ideal temperature for snacks during a family picnic.