Uses electric power sourceLead-free, Phthalate-free, PVC-free, Nitrosamine-free, Latex-free, BPA-freeCompatible with all bottlesSAFE & EASY WARMING: The Kozii baby bottle warmer creates a flowing warm water bath (NOT dangerous steam) to quickly and gently thaw and warm breast milk according to CDC and USDA guidelines. Unlike other warmers, Kozii does not require that you measure or add water with each use. It uses an auto-shutoff feature, so when the time is up, the warmer shuts off and completely removes the heat source from the bottle.A GREAT BABY SHOWER GIFT: Every new mom knows convenience is key when it comes to feeding a baby. Kozii is a great way to heat up expressed breast milk, baby formula, or baby food as safely and quickly as possible. It’s an excellent product to use alongside other accessories, including a breast pump, bottle sterilizer, and bottle set. Put one of these baby registry best sellers on your registry today!UNIVERSAL WARMING CHAMBER: Kozii’s warming chamber is designed for bags, pouches, bottles, and jars alike and it’s great for first-time moms. It’s gentle enough to thaw frozen breast milk and powerful enough to heat up pureed baby food. It heats foods to the perfect temperature for Baby so you don’t have to worry about overheating. You’ll be able to use Kozii from birth through the toddler years.PRESERVES NUTRIENTS IN BREAST MILK: Breast milk is full of the great stuff! That’s why Kozii uses gentle heat to preserve the unique set of nutrients found in breast milk. You won’t have to worry about the integrity of vitamins, minerals, amino acids, enzymes, and white blood cells naturally occurring in a mother’s milk.WARMS MANY CONTAINERS & MATERIALS: Kozii can heat up virtually any reusable or disposable container including milk storage bags, milk pouches, baby bottles, food jars, or liner bottles. It can handle both frozen and thawed breast milk and is great for heating up baby formula. Bottle steamers can overheat easily and aren’t effective for all materials. That’s why Kozii uses gently flowing, warm water.