Phoozy keeps your phone working when global warming & harsh direct sun temps or icy cold conditions are shutting it down. It’s like an AC system with a patent pending Chromium Thermal Barrier that reflects more than 90% of the solar radiation generated from the sun. FYI: Heat from the sun can cause your device to overheat and shutdown, resulting in permanent damage to your phone and battery. Phoozy Thermal Capsules extend the period of time that your phone will maintain the optimal operating temperature. It also protects your phone from dying in the cold.  Don’t let an overheated or frozen phone ruin your adventure. Get this.