The Lionelo Thermup Go Grey Silver is a lightweight and compact bottle warmer good for taking on walks or even longer trips. It offers 5 different temperature settings and maintains the temperature for a long time. It operates on an external power source - a power bank can be used while walking or a car cigarette lighter socket when traveling.The device is a heating mat with Velcro fastening, making it versatile - it can accommodate most glass and plastic bottles available on the market . A practical handle with a hanging loop makes it easy to carry. With Thermup Go, parents are always ready for feeding time, regardless of time and place. One size fits all; For plastic and glass containers; 5 temperature levels; Light and handy; Power supply via USB-C (e.g. via power bank).