Based on this product's specifications, here are some alternatives and similar models
Stair Treads Mats VidaXL set of 30 Anthracite 65x24x4 cm – anti-slip stair mats
Summary description:
Set of 30 VidaXL stair treads in anthracite, each 65x24x4 cm, designed to provide anti-slip protection and added traction on indoor or outdoor steps. These stair mats help reduce slipping, protect stair surfaces from wear, and offer a uniform finish across multiple steps. Suitable for homes, apartments, offices or terraces where improved safety on stairs is required.