bath step reizen get into and out of your bathtub more safely and easily! this bath step adds almost 4-in. to your step and has an extra-large 19.75 in. x 16 in. platform for more secure footing. includes one step. (buy additional steps and stack them - each extra step adds 2-in. of height.) features & specifications: - complete textured finished top for slip-resistant safety and comfort - rubberized feet to help prevent slipping - modular design for secure stackability - first step adds almost 4-in.; each additional stackable step (purchase separately) adds 2-in. - sturdy construction: 90-percent plastic/10-percent foam - supports up to 418 lbs. product weight (approx.): 4.5 lbs. item package dimensions: 19.89 in. x 16.5 in. x 4.06 in.