- High Capacity: Our freezer packs feature a large capacity filled with dry ice crystal particles, ensuring excellent expansion and a robust cooling performance. They provide strong energy storage for extended cooling cycles, making them ideal for various needs. - Durable and Reliable: Constructed from thickened PE material, these freezer packs are leak-proof and designed to withstand regular use. Their compact design ensures they fit easily in coolers while remaining easy to clean. - Simple to Use: To activate, simply add water without overfilling, as the ice crystals will expand during the freezing process. Place the pack in the fridge for 2-4 hours before use, making it perfect for lunch bags, picnics, or any outing. - Effective Cooling: Enjoy long-lasting cold storage with these freezer packs, ensuring your food and beverages remain frosty and fresh throughout your day. Use Scenarios: 1. Perfect for family picnics: Keep your perishables fresh and drinks cold for hours while enjoying a day outdoors. 2. Ideal for camping trips: Store these packs in your cooler to ensure your food stays safe and chilled during your adventure. 3. Great for lunch bags: Use them to maintain the temperature of your meals and snacks, ensuring they remain delicious by lunchtime.