The Creano thermal glasses “DG bulbous” - 250 ml The double-walled thermal glass is stylish and functional at the same time - hand-blown double-walled glass with its excellent insulating properties makes it possible! Heat-resistant borosilicate glass is used for production. It is light and delicate, yet robust enough to meet the high demands of everyday use. All double-walled Creano thermo glasses are mouth-blown and handmade. During production, two glass balloons are blown into shape, merged, deburred, fired Product name: Creano double walled glasses, 250 ml, dg-bulbous, set of 6, large thermal glass, double walled borosilicate glass, coffee glasses, tea glasses, latte glasses, double wall glasses.