Magic Shower/Bathtub Safety Treads - Helps Prevent Slips and Falls  - 12 Treads RELIABLE - Non-slip traction decreases the likelihood of a fall STRONG - Self-adhering backing holds strong to tub or shower flooring MARK-FREE - Safety treads leaves no marks or residue when removed from surface SIMPLE - Easy solution for improved grip on bathtub and shower surfaces USE ON - All smooth non-porous surfaces such as ceramic tile, porcelain tile, glass/mirror, and acrylic