Function: 1. Perfect cooling: able to keep the temperature in the bag between 2-24 degrees Celsius, about 12 hours in summer and 24 hours in spring and autumn. 2. Zipper design: Zipper design not only allows easy opening and closing, but also secure storage without loss, very reliable to use. 3. Practical Use: It can be widely used to store and carry various items, such as pills, supplements, food, tools and so on. 4. Easy to Carry: The lightweight and compact cooler bag allows for convenient carrying indoors and outdoors. 5. Good material: thanks to the aluminum foil inside, the ice pack has excellent heat insulation and is also very durable. Specification: Item Type: Insulin Cooler Bag Material: aluminum foil Scope of application: suitable for insulin pens and other supplies. Package List: 1 x Insulin Cooler Bag