Description: 【Versatile Functionality】: This portable warmer is suitable for on the go use, offering convenience with its ability to heat, warm milk, maintain a constant temperature, and warm water. It's an essential tool for parents who need flexibility and efficiency 【Adjustable Fit for Various Bottles】: Designed with an adjustable diameter feature, this Bottle warmer can accommodate bottle sizes ranging from 50mm to 80mm in diamete 【Material】: Made from PU leather, the surface of the Bottle heater bag is both waterproof and stain resistant. A simple wipe with a wet cloth is to keep it clean and looking new 【Portable】: The Breast milk warmer is compact in size and light in weight, making it easy to store and carry. It is suitable for travel, camping, picnics and home use 【USB Charging】: The food heater can be connected to adapters, portable power supplies and other devices with USB ports, making it easy to carry and use Size Chart: 9.3x7.2x14.6cm/3.66inchx2.83inchx5.75inch Package Includes: 1  Bottle Warmer, 1 USB cable Note: Please allow slightly errors due to manual measurement and different monitors.