SAFE STEP is a long-lasting chemical treatment that creates an invisible, sophisticated tread design into the surface of hard mineral floors and porcelain/enamel bathtubs. SAFE STEP will not change the appearance of the floor or bathtub. Our product has been developed and proven for concrete, quarry tile, spanish tile, ceramic tile, glazed brick, marble, terrazzo, porcelain/enamel, and many other hard mineral surfaces. SAFE STEP safety floor and tub treatment creates an invisible, sophisticated tread design into the surface of hard mineral floors and porcelain/enamel bathtubs. SAFE STEP increases a surface's co-efficient of friction by 200-400% ... when wet! SAFE STEP will not change the appearance of a floor or bathtub, and there is no downtime: you can use the floor or tub immediately following treatment.