USB Milk Bottle Warmer Heater Multifunction Coffee Tea Mug Beverage Warming Bag Feeder WarmerKeeping the Milk Warm When the weather gets cold, the warm milk soon becomes cold, the heat sack can hold the heat for a long time, your sweet baby can enjoy healthy, warm milk. Practical Zipper Opening Design Zipper opening design, removable wash liner and fabric cover (heating plate should not be washed, fabric cover can be washed), cleaners and more toiletries. Wide Range of Applications This baby bottle warmer keeps you evenly warm and can stretch