The Tommee Tippee Travel Bottle and Food Warmer easily heats baby's meal when you are on the go. Designed for use with breastmilk, formula or baby food. Portable and convenient, the thermal travel baby bottle warmer stores hot water for warming while traveling—no external warming source needed. The securely fastened lid protects from leaks and spills, and is BPA-free and phthalate-free. The food and milk warmer's compact design fits in the car or your baby’s diaper bag, so it is ready to go when you need it.