Very well, I am not 100% confident It can be vinyl but I am underneath the impression that the two vinyl (acrylic) and fibergalss are bought. Depending on anything else the past homwowner did in (to?) your home, I think it was the least highly-priced a single they might find. https://slidingglassshowerdoors36802.aboutyoublog.com/38494644/new-step-by-step-map-for-frameless-shower-door