Warm Water and Milk for BabyAre you worried that your baby's cold milk is not good for the stomach? Make your babies drink only warm water and milk using our USB charged heating cover. Our thermos will make sure your baby drinks only warm milk from now Portable and CompactSmall and compact design for easy carry and storage. Perfect solution for parents to conveniently, safely and easily warm baby bottle while in the car traveling. Safety Voltage and USB InterfaceLow-voltage design, Compatible with many kinds of 5V 2A USB devices such as power bank, laptop, charging adapter, car USB interface, etc. High Quality MaterialThe bottle heating cover is made of high-quality cotton and spandex blend material, which is safe and non-toxic. Easy to Use and WashOur thermos bag comes with a Velcro pouch, long USB Cord, is easily washable and provides a constant temperature for longer duration.