Makes getting in and out of bath tub safe and easy. Adds 4" boost with slip resistant top and rubber feet. Unique modular design allows the multiple steps to be stacked. Each additional step adds 2". Bath step comes with four removable covers on the surface that locks into another step when stacking. Plugs can be removed when stacking steps to ensure a secure fit. Attractive, textured surface is slip-resistant and comfortable. Weigh Capacity 450 lbs. One Year Limited Lifetime Warranty.