Cold accumulator: With its slim and portable design, this thermal bag offers excellent cooling performance to keep your food fresh and delicious. Perfect for use in lunch boxes and outdoor activities, it takes up little space and allows you to easily carry chilled food and drinks during your travels. Reusable: Unlike traditional ice cubes, the insulated bag does not turn into a messy puddle when it melts and stays frozen for longer. Even when the bag starts to defrost, sandwiches and other foods will not spoil. Space saving: Thanks to its slim and portable design in , this thermal bag is a real space saver. With dimensions of 160x100x20mm, the thermal bag easily fits into almost any lunch box or thermal bag, taking up minimal space for food or drinks.Easy to Use: Just add water and stir to turn into gel, freeze the ice packs in the evening before use. After use, simply rinse and ready to reuse next time. The cooler bag is easy to clean and ready for repeated use.Versatile: Made of non-toxic materials, this thermal bag is waterproof and durable, which ensures the safety of your food. This thermal bag is ideal for keeping your food fresh for a long time, making it the perfect companion for your summer outings. It is used to keep food fresh for work, school or outdoor activities. Or to pair it with your backpack, lunch bag or shopping bags.