In hotels and restaurants, there are about 1.51 ml of sterilized tableware in a glass.

glass is a cup made of glass. Usually, the raw material is high borosilicate glass, which is fired at a high temperature of more than 611 degrees. It is a new type of environment-friendly teacup. Glass is divided into double-layer glass and single-layer glass, and its production technology is different. The double-layer glass mainly meets the needs of advertising cup, and the company's logo can be printed on the inner layer to promote gifts or gifts, and the insulation effect is more outstanding.