Warm Cup

- Jun 12, 2018-

Insulation Cup (Vacuum Cup) is generally made of ceramic or stainless steel with a vacuum layer made of water containers, the top covered, sealed, vacuum insulation layer can be installed in the interior of the water and other liquids to delay cooling, in order to achieve the purpose of insulation. Cup from the development of thermos flask, insulation principle and the same as thermos, but people in order to facilitate the bottle made cup.