Description [Soft Material] The surface of the stair treads is made of polyester fiber, which is soft and durable, fits very well when stepping on the mat with bare feet, comfortable and skin-friendly; and has sound-absorbing properties, noise reduction and shock absorption, making going down the stairs quiet and soundless, very suitable for Use on wood, marble and stone steps. [No Glue & Anti-Slip] Different from other stair mat backing, this stair mat backing is made of non-slip forest rubber without glue. The rubber is an elastic body, which is dented by external pressure and forms an arc-shaped surface to increase resistance and generate sufficient friction and grip to prevent movement and ensure safety when going up and down stairs. [Easy to use and cut] The size of each soft stair mat is about 20*55*2.5cm,14pieces per pack, the quantity can meet the needs of most families. Stair mats can be cut to fit the size and shape of the stairs. The stair mat is non-toxic, glue-free,