This Drive Medical Portable Bath Step makes getting in and out of the bath easy and safe. It adds 10cm (4") to the step with multiple steps added if required. Each additional stacked step adds 5cm (2"). This bath step comes with four removable covers on the surface that lock into another step when stacking. The textured surface is slip resistant and comfortable. Max user weight 140kg (22st). Dimensions: Width 50cm (20") x depth 40cm(16") x height 10cm (4").