Heat Insulation Milk Heater, USB Foldable Milk Warmer Safe Water Bottle Heating Bag Portable Mug Heater Cover Travel Storage Pouch for Baby Feeding Bottle Safe Uniform Heating: Sandwich type structure heat insulation design, heat preservation and heating core core fire treatment, safety ; Made of crystal velvet heating material, heats quickly and evenly Safe Uniform Heating: Sandwich type structure heat insulation design, heat preservation and heating core core fire treatment, safety ; Made of crystal velvet heating material, heats quickly and evenly Fully Compatible with 5V 2A Power Supplies: The power cord is USB interface, compatible with most 5V 2A Power Bank, most 5V 2A charging head, and most 5V 2A car charger (power must be more than 1.5A to drive the heating film, it is recommended to match 2A charging head or charging treasure) Are you worried that your baby's cold milk is not good for the stomach? Now we can provide you with a bottle heated cover, so that your baby can drink warm milk, you can also drink while heating. Specification: Material: Cationic Fabric Color: Gray Input: 5V 2A Size: 25 * 10cm/9.8 * 3.9in Cable Length: 86cm/33.9in Package Weight: 136g/4.8oz Package list: 1 * Bottle Heated Cover Note: 1. The heating and heat preservation effect is affected by the thickness of the bottle, the material, and the original temperature of the milk inside. 2. After plugging in, the bottle will be heated first, and it will be changed to 37-42 degrees. 3. If it is from the thickness of the normal bottle is taken out in the refrigerator, the heating will take about one and a half hours. 4. The glass material will heat up a little faster than the plastic bottle. 5. If it is at room temperature, it takes about half an hour to heat up. 6. If the bottle is large, The heating time will be more, the pp's ice milk will reach 42 degrees in 1.5 hours, and the glass material will take 1 hour to heat up.