Basic Information: • Product Name: USB Hot Water Bottle • Manufacturer: TINAYAUE • Material: Lint • Style: Hot Water Bottle • Size: One size • Color: Grey, green What's in the box? • 1*USB Hot Water Bottle Main Features: ---Graphene heatsing, safety and portable ---The water and electricity separation design ---Perfect gift for kids and girlfriend ---Can be used for many occasions, home and office ---Soft flannel cover, dirt-resistant and washable, not lint ---Our thermal hot water bottles will prepare a warm and wonderful sleep atmosphere for you ---One cozy gift for your mother, father, children, friends in Mother's Day, Thanksgiving Day, Christmas and New Year's Day Note: • Our product may have a slight difference with the picture, due to the different monitor and photography light! Please understanding, thanks a lot! • There be 1-2cm errors is normal in size due to the manual measurement! • You can also enjoy 90 days money back satisfaction .If you have any questions about the product, please firstly contact with us, we will try our best to solve.