Thaw and warm breast milk, formula, and food on the go with the Kiinde Kozii Voyager! The Voyager Bottle Warmer allows for safe and fast warming on the go, no electricity needed. This product can be used to warm breast milk storage bags, plastic bottles, glass bottles, and baby food jars from a variety of brands. The triple wall, vacuum insulated bottle keeps water hot all day long. Our travel bottle and food warmer is a convenient way to thaw and warm your little one's meal when you are out and about. Kiinde Voyager’s unique design is compact enough to fit in most cup holders and diaper bags. When it's time to warm your child's meal, simply pour the hot water into 1 of the 2 thermally insulated warming cups that best fits the size of the bottle, bag, or food jar you are warming. The Kozii Voyager is BPA, latex, and PVC free so you can be sure it’s safe for your infant or toddler. This warmer set contains: 1 travel bottle warmer, which includes the stainless steel vacuum insulated water bottle and cap, as well as a thermally insulating outer storage shell, which doubles as the small and large warming cups. Whether you use it to warm a bottle of milk or a jar of baby food, this portable product is a lifesaver when it comes to heating meals for your little one away from home