- Enhanced cooling retention: These ice blocks use an efficient cooling formula to continuously release cold energy, extend the cooling time, and perform well in hot conditions, improving overall cooling efficiency. - Portable and lightweight: The compact, lightweight design provides space-saving convenience and is ideal for cooling outdoors and on the go. - Easy to use and freezer-safe: Quick setup with a user-friendly approach ensures the ice blocks are ready to use after freezing, and they are safe to freeze. - Durable, high-quality material: Made from wear-resistant material, these ice blocks deliver stable freezing performance and resist pressure and deformation for long-lasting use in any cooling device. - Use scenarios: - Outdoor picnics and barbecues: Keep drinks and perishable foods cold in a portable cooler under sunny conditions. - Camping trips and outdoor adventures: Maintain chilled supplies away from power sources for extended periods. - Road trips and sports events: Extend cold storage for snacks and beverages during travel or events.