The Kozii® Bottle Warmer uses a low temperature, nutrient-safe water bath to heat all bottle and bag types. Using steam-free Safeheat technology, this allows you to warm a little one's meal without worry. The onboard water reservoir and auto-shutoff timer ensures that you will not have to add water with each use and with no risk of overheating. Specifically designed to follow CDC and USDA guidelines. Measures 5.19" x 7.4" x 7.4".