Warm up your baby's milk and food on the go with the Tommee Tippee Travel Bottle & Food Warmer. You won't need batteries or a socket - the thermal flask keeps water hot all day. When you want to warm up your little one's snack, just pour it into the upturned lid, pop a bottle or jar in and you're ready to feed. As the thermal flask sits conveniently in the lid used to warm up your bottles, it's as compact as it gets.