I love... love... love the doors. I purchased white. Made into French doors in the new buildout closet.  Be careful to put both smooth windows on the outside.  There is a slight difference in touch of smooth and frosted glass. When looking for knobs if u choose too... the length of screw needed is about 3 inch metric.   Everyone who has seen them loves them. Wish factory made French style to begin with.   Look forward to enjoying them.