Borosilicate glass tumblers, with a clear or coloured marble (white, black, amber, blue, pink, green, black or golden yellow) placed in the bottom. The bottles have a clear glass body and a white, black, blue, pink, green, black or golden yellow stopper. Enriching the Bilia collection with new products is a natural process. The collection includes a variety of decorations, colors, and items: tumblers in two sizes, goblets, bottles with stopper, tea and coffee cups – with saucer or with double-glazed glass, egg cup, jar and creamer.