FRIO Mini Diabetic Insulin Cooling Wallet - Portable Travel Case for Insulin Pens & Vials - Keep Medication Cool for 45+ Hours - Perfect for Travel, Hiking & Daily Use

FRIO Insulin Cooler Mini Wallet is a simple to use medication cooling system that is ideal for use while traveling or during power outages. It relies on the use of cool water to stay cold, no refrigeration or ice required. By immersing the wallet into cold water for about five to 15 minutes, crystals on the inside expand into a gel that is able to remain cold for several days.