I was disappointed in this product. The color did not match the online pictures. I bought them to prevent my MIL from slipping on our steps. They were bulky and did not fit my steps properly - we decided it would end up being more of a trip hazard than a safety measure. I gave the product at least two stars because the pad was thick and the quality seemed nice, they may work well for some steps. Never attached it to our steps so I cannot comment on permanence of the adhesive backing.