Tommee Tippee - Closer to Nature - Travel Bottle Warmer The Closer to Nature Travel Bottle and Food Warmer heats bottles and baby food when you are out and about. Just fill the stainless steel flask with cooled boiled water and, when feeding time comes round, simply pour the water into the upturned frosted container and warm your bottle. Features: - Compact design ensures that it fits in your baby’s changing bag - Store hot water for warming feeds on the go - Thermal flask keeps water warm - Portable and convenient - No electricity required - Ideal for travelling - From 0+ months - BPA-free