Portable and pocket friendly The compact size and lightweight design make it easy to carry and store in pockets or bags, supporting mobility for outdoor activities and everyday use. Durable reinforced PE material Reinforced PE provides long lasting stability and break resistance, making it suitable for regular use in lunch boxes and reliable cooling of food over time. Flexible and versatile use Well suited for food cooling and breast milk storage Keeps perishable items fresh during transport and storage Supports cooling needs for fan systems Offers constant cooling power for use at home or on the go Strong cooling performance Expandable granules deliver robust cold preservation, helping to maintain the ideal temperature for meals and drinks Use scenarios Lunch on the go: pack in a lunch box for school, work, or day trips to keep meals and snacks cool. Breast milk on the move: store expressed milk during travel or outings to meet safety and freshness needs. Home and travel cooling: provide steady cooling support for small cooling tasks, camping, commuting, or backup cooling for devices that require consistent temperatures