Model Size: 56-60 in. W x 72 in. H; Walk-in Opening: 23-27 in. Double sliding bypass configuration allows entry to the shower from left or right side; Semi-Frameless glass design for a streamlined look Wall profiles allow up to 1/2 in. of adjustment per side for out-of-plumb (uneven walls) Top and bottom guiderails can be trimmed up to 4 in. for width adjustment 5/16 in. (8 mm) thick certified clear tempered glass; DreamLine exclusive ClearMax water and stain resistant glass coating