- Versatile Use: These reusable ice packs are perfect for preserving food, storing breast milk, enhancing air conditioner fan performance, cooling during breastfeeding, grilling, and for self-driving refrigerated transport. - Easy to Use: Simply add water to the ice packs, which expand as they absorb water and freeze. Do not overfill. Freeze for 2-4 hours before use, making them ideal for lunch boxes and similar applications. - Enhanced Cooling: Use these packs as air coolers for fans. They keep the air colder for longer periods, making them an efficient solution for repeated use in various cooling scenarios. - Durable Material: Made from thick PE material, these ice packs are leak-proof, sturdy, space-saving, and easy to clean, ensuring long-lasting performance and convenience. Use Scenarios: 1. Keep your food fresh during picnics with these ice packs in your cooler. 2. Store breast milk safely with reliable cooling support. 3. Enhance the effectiveness of your air conditioning by integrating these packs into your fan setup for improved cooling performance.