The nursing bottle heater cover is made of high-grade material. Durably constructed with insulated lining, keeps your milk fresh by heating breast milk to a right temperature, and keep warm for a long time, convenient for feeding. Easy for storing, easy for using and easy for charging. Features -Color:White -Material: oxford cloth -Size: 30.00X14.00X7.00cm/11.79X5.50X2.75inch -Temperature Mode: -Charging Method: USB Changing -Charging Power: 10W -Charging Voltage: 5V -Charging : 2A -Effortlessly to get the temperature you want and keep warm for about hours -Can be used for normal charging during your car trip and keep breast milk the go -This breast milk heater and warmer cover can heat up quickly and evenly, can be stretched to fit most bottles -Individual design, can keep milk clean and keep with other supply -Hook and loop design, freely to cover most size of milk bottles Package list: 1 x bottle heater sleeve 1 x charging cable