Arkray Insulin Cool Pouch is designed to keep insulin cool within safe temperatures of 18 - 26 degrees Celsius for 45 hours. It is reusable and easy to carry. It gets activated by immersing the inner wallet containing the crystal in cold water and soaking it for 5 - 8 minutes. When it is not in use, dry it until the gel returns to crystal form. | Uses: Keeps insulin cool and safe | Product Features and Specifications: It can be used anytime and anywhere with no recurring expenses required It can be activated by immersing in cold water for 5-8 minutes It keeps the insulin cool and safe This pack contains 1 cambrelle outer cover, 2 inner wallets made of poly cotton with panels containing crystal, and an instruction leaflet | Directions For Use: Immerse the unactivated inner pouch in cold water for 5 - 8 minutes Drain the excess water from the pouch inner pouch and insert it in the outer pouch Insert the ‘In-use’ insulin in the inner activated pouch | Safety Information: Read the label carefully before use Keep out of reach of the children Use under medical supervision