Model Size: 50-54 in. W x 76 in. H; Walk-in Opening: 20 1/2 - 24 1/2 in. Configuration: Double sliding bypass design allows entry to the shower from left or right side; Frameless glass design creates an open, airy feel DreamLine exclusive ClearMax water and stain resistant glass coating; 5/16 in. (8mm) thick certified tempered glass; Glass Type: Clear Specially designed rollers create a smooth, quiet gliding operation; Two convenient towel bars double as handles on each panel Wall profiles accommodate up to 3/8 in. for out-of-plumb (uneven walls)