The Portable Bottle Heater Heating Sleeve is a must-have for travel parents with newborns. This versatile heating device helps keep infant formula warm and ensures the nutritional needs of your little one are met, even when away from home. This heat-resistant sleeve can be easily attached to baby bottles or cups via its magnetic clip, allowing for instant heating. The adjustable temperature setting, conveniently located on the front of the sleeve, ensures you can find the perfect temperature for your baby's bottle or pacifier, ranging from 90-120 degrees Fahrenheit. The sleeve also features a leak-proof valve to prevent spills and overheating, making it safe for your baby to use. With its compact size and lightweight design, this heating sleeve makes traveling with your baby a breeze, allowing you to spend quality time enjoying family outings and experiences without worrying about formula temperatures.