"Name: Bottle Thermostat Sleeve Material: PU heating plate Intelligent temperature display system: precise constant temperature; Drink milk while keeping warm, bid farewell to bags and drink cold milk; Long lasting and stable insulation that cannot be consumed, continuous insulation. Adjustable temperature between 35 and 50, suitable for different bottles. Suitable for various occasions: charging cables that support cars, mobile phones, and mobile power sources, which must be plugged in to heat up. The troubles of novice mothers: easy to carry when traveling; Can't finish drinking hot milk, trouble; Going out to warm up the milk is troublesome; 24-hour constant temperature, easy to handle warm milk at night."