【Milk Bottle Warmer】This baby bottle warmer and heater warms quickly and evenly, it can stretch to fit most baby feeding bottles, it is easy and safe to use. 【High Quality Material】Made of crystal velvet heating material, heats quickly and evenly. 【Sandwich Insulation Design】Sandwich type structure heat insulation design, heat preservation and heating core core fire treatment, safety guarantee. 【Removable Design】Zipper opening design, removable wash liner and cloth cover (heating sheet should not be washed, cloth cover can be washed), cleaner and more sanitary. 【USB Interface】Fully compatible with a variety of power supplies, the power cord is USB interface, compatible with most 5V2A mobile power, most 5V2A charging head, most 5V2A car charger.