Precise fill control for exact freezing fit: containerfriendly filling guide with a clear overfill limit regulates water absorption and expansion, ensuring accurate performance when frozen. An expansion joint accommodates hydrationrelated volume growth for easy, reliable application. Easy, userfriendly activation: simply freeze to activate. Powerful cooling crystals provide dependable temperature control in cool boxes, while the simple selfpreparation makes this cooling pack a straightforward solution. Longlasting cooling performance: heat retention capacity and coarse crystal technology deliver reusable, efficient cold retention for frequent use and sustained cooling. Flexible, versatile use: reliable cooling performance for camping, travel cool boxes, and air coolers; safe cooling of food or breast milk in everyday situations. Use scenarios Camping or outdoor trips: keeps perishables and beverages cold during extended outdoor activities. Travel and onthego: supports groceries, snacks, and baby items in travel cool boxes or portable setups. Home and daily use: safe cooling for food storage or breast milk, and compatible with air coolers for added cooling support.