Optimized Heat Resistance: The cooling composition provides prolonged chilling capability, delivering steady cold energy and reliable performance in hot conditions. Easy to Carry: Spacesaving design; compact and lightweight for easy transport during outdoor cooling needs. Convenient to Use: Quick preparation method—add water and freeze until solid; readytouse ice blocks; fully freezer compatible. Quality Material: Wearresistant construction maintains stable freezing performance and resists pressure and deformation for longlasting use in any cooler setup. Use scenarios Camping or hiking trips: Keeps food, drinks, and perishables cold in remote or sunny locations. Outdoor gatherings and picnics: Compact blocks fit smaller coolers and provide extended cooling for events. Road trips, boating, or fishing: Durable ice blocks withstand movement and maintain cold storage while on the go.