A lot of people buy insulating glass effect is not good at present, therefore has created problems for people, buy insulation Cup should please pay attention to what the problem? People usually think insulation Cup high price is good insulation Cup, of course, there are some rich unit is to pick a brand name, face is more important than anything. In the selection of insulation cup also careful to know good quality cup from the cup body, to the bottom of the glass without seam that is integrally formed, a cup of good insulation effect. After a while in the hot water is added, into the cup, touch the cup is cold, cover a little heat, it is normal.
