- Consistent Cold-Holding Power: Our advanced thermal storage technology ensures long-lasting cooling performance. The coarse crystal expansion provides reliable, reusable ice packs, making them ideal for continuous use. - Smart Fill Technology: Designed with a user-friendly fill guide to prevent overfilling, this ice pack allows for balanced water absorption during the freezing process. It accommodates volume increases triggered by hydration, ensuring dependable functionality every time. - Reliable Cold Retention: Featuring innovative chill-enhancing additives, these ice packs are compatible with evaporative fan coolers. Enjoy excellent cold retention and uninterrupted cooling support for all your needs. - Easy to Use: Simplify your lunch bag cooling with our intuitive freeze activation system. The high-performance cooling crystals make it easy to maintain desired temperatures effectively. Use Scenarios: - Perfect for keeping lunch fresh during long commutes or picnics, ensuring your food stays at the ideal temperature. - Ideal for outdoor activities like camping or hiking, where reliable cooling is essential for perishable items. - Great for medical applications, such as transporting medication that requires cool storage, providing peace of mind and reliability. Choose our ice packs for a practical, efficient cooling solution that meets your needs.