Glass refers to a cup made of glass, usually made of raw material high borosilicate glass, after more than 600 degrees of high temperature firing, it is a new type of environmental protection cup, more and more people's favor. Structural Classification： Glass is divided into double glass and single glass, its production process is different, double layer mainly to meet the needs of advertising cup, can be printed on the inner layer of the company's logo, used for promotional gifts or gifts, and the insulation effect is more outstanding.
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Plastic Water Mug, Red Earth G2 Series Glass Bottle, Custom Silicone Sleeve Glass Water Drinking Bottle