Here is a drink cooler that uses Earth’s natural cooling to keep you drinks at the right temperature. The CoolKeeper is an in-ground cooler with a space saving design. It keeps your drinks cold without electricity and keeps them protected from sunlight.
The CoolKeeper is available in Manual, Automatic, and Electric models. The Electric model can be remotely opened and closed using an app. All these models come with a universal, adjustable bottle holder.[where to get it]