Combo vacuum jug+ electric hot bag. Hot bag is a high quality reliever from aches in cold climatic conditions. Gives relief from pain and makes you feel comfortable,heating pad is the new age replacement for traditional hot water bottle.The product has been filled with galvanothermy energy conversion agent,which helps it to warm up quickly and keep warm for long time.Commonly,after charging for 7-12 minutees ,it can be used for 2-10hours,which is 2 hours for hand warming or 10 hours for quilt warming.Vacuum Jug Flask is the best choice for keeping temperature of the liquid items steady for a long hour. Works for both hot and cold liquids. Important things to remember - • Keep the flask away from direct heat source and fire to avoid any damage. • To prevent scalding always pour contents into a cup and do not drink directly from vacuum flask. • Do not drop or hit the flask or it may break. • Do not fill the vacuum flask with dry ice, carbonated drinks or other liquids that can arouse high-pressure. • Do not fill it with soy sauce, soup containing salt and other ingredients to avoid rust to the body. • Keep the lid tightly closed. • Keep out of reach of children.