Lagoon 60 in. W x 63 in. H Semi-Frameless Sliding Bathtub Door in Matte Black with Vertical HandleWhether you are designing a new bathroom or renovating your current bathroom, a Lagoon Collection Semi Frameless sliding tub door with clear glass will bring bold design elements and luxury to give your bathroom a whole new space. The Lagoon doors are constructed with 5 16 in. thick glass and prominent rollers that easily glide across a semi frameless design. Lagoon Shower and Tub doors are protected by H2OFF, an industry leading clean glass