Duck Tub Tread Set of 5 Add our Tub Treads to your bathtub or shower stall to create a grippy, non-slip surface The tub treads have non-slip suction cups, so they're easy to apply and remove Crafted of soft, textured vinyl, the treads are anti-bacterial and mildew resistant Not for use on uneven or treated surfaces Measurements: 4.25"H x 5"W