The main material of the product is new PVC resin material, natural calcium carbonate, non-phthalic plasticizer, and the surface of the step is a transparent wear-resistant layer of pure PVC material (to increase the service life of the step). Stair steps have excellent anti-slip, sound-absorbing effects, and have a variety of colors to choose from, which can meet the size needs of different stairs in modern buildings and the overall color planning.