About This Product​ The Shower Tub Door has a sleek, striking glass finish that suits any bathroom style. This semi-frameless sliding door measures 56 in. W × 58 in. H and is built with 5/16 in. (8 mm) thick clear tempered glass, certified to SGCC standards. The minimalist vertical handles offer both beauty and function, blending well with other bathroom fixtures. A minimalist metal track and exposed barn-style rollers create a clean, modern look. The semi-frameless design is reversible, allowing flexible installation on most flat-edge bathtubs. Highlights​