Ancient Roman Glass Cosmetic Kohl TubeEarly Roman Herodian Period 300 400 CE, 5. 2 Inches High and 2 Inches Wide Ancient Roman Glass Kohl Tube with Snake Line Decorations all over the body and Four Small Handles. The intact is in very good condition and has a rainbow colored patina that gives an elegant look. Tube shaped flasks like this one would have been used to hold viscous or powdered cosmetics. In the middle of the 1st century BC, just as Rome was emerging as the Mediterraneans