Color changing mug

When put hot water into mugs, the dark part (black, blue, green, red, yellow) will become lighter and lighter till disappear; when water become cold, changing parts will become deeper and deeper till the original colors. This kind mug can be used for promotion of coffee, milk powder, and tea, which can be used in hot. Price depends on the area of color changing parts.Our products are the best choice for company and private as practice celebration ,business ctivity ,official meeting ,enterprise promotional .present ,souvenir,award.individual give present ,gift,and collection.New hongji enterprise Co.Ltd is a special manufacture and sell transfer print machine.heaat transfer material. Crystal image machine and crystal machine of company. equipment include :cup press machine, plate press machine, plate ---leveling machine. Crystal image machine. Curved surface transfer printing equipment. In addition, continuous ink supplies system. Crystal inks. Heat transfer ink. Heat transfer paper. Crystal printing film and so on.