The frameless shower door provides universal sophistication and quality craftsmanship to your bathroom's decor. 5/16'' (8 mm) ANSI certified thick tempered safety glass for easy cleaning and to resist water spots. Frameless Single Sliding Door with Soft-closing system -- it has been tested 100,000 times and can last 21 years, more safety and stable. The sleek frameless design creates a clean and open feel in the shower space.