Duralex 3+1 large glass cups

3 small cups to which I add 1 large cup, all of duralex and vintage coffee cups which, according to the advertisement of the 1970s, was unbreakable dishes: -) they are transparent with 2 lines. The dimensions are 4.5 cm high and the ø 10.5 cm with the handle and for the large, and 7.5 cm high and 8 cm ø, 10 with the handle.