These sturdy suction cup grab bars provide a safe grip for bathing or showering—helping prevent dangerous slips and falls. Simply lock down the two suction cups of the tub grab bar on a smooth, dry surface for an extra secure hold to bathtub edge or shower wall. Flip up the bathtub safety bar to remove or reposition. ABS plastic, rubber; wipe clean. Bathtub support bar is 16" long x 3 1/2" wide.