The travel vial micro cooler by ChillMED allows you to safely travel with your insulin vials, making sure they stay at needed temperature for up to 12 hours at a time. Comes equipped with a re-freezable ice pack, and has 2 elastic pockets on the inside for storing other small supplies as well. Strong outer zippers secure the bag shut, making sure your medication is safe. Comes with a 6-month limited warranty.