What is the purpose of a double-walled mug? The double-walled glass is basically a glass within a glass. The air between the two glasses is sucked out when it is made, creating a vacuum. Instead of having a heating or cooling element to keep drinks hot or cold, it is designed to keep beverages at … Read more
double wall glass mugs are lighter, though they have double walls. They are lighter than most mugs, almost half the weight. Thanks to its double-wall features, it can keep your hots hot and your colds cold than most coffee mugs Besides, the double wall also can help to prevents condensation. What is the purpose of … Read more
What is the purpose of a double-walled mug? The double-walled glass is basically a glass within a glass. The air between the two glasses is sucked out when it is made, creating a vacuum. Instead of having a heating or cooling element to keep drinks hot or cold, it is designed to keep beverages at … Read more