The of this non-slip mat is made of polyester material, which is soft and wear-. It is and does not easily pull and pile up. The proper thickness not only ensures that you can step comfortably on our non-slip mats, but also helps keep your feet out of the cold stairs. Reduce the noise of going up and down the stairs These anti-slip mats are made of self-adhesive technology, so you 't feel the strong stickiness when you touch them, but they do have excellent anti-slip properties. Our stair treads are applied to any indoor smooth stairs which are made of wood, marble, tiles, and glass. If you need to reposition it or remove it, it not leave any residue, protecting your original staircase from damage. When they get dirty, simply vacuum to clean up pet hair or kids spilling food and drinks. Or throw them in the washing machine. After washing them in water, it is recommended to dry them in the shade These carpets for wooden stairs can be installed quickly in 5 minutes without the use of additional double-sided tape, glue, or carpet tacks. 1. Clean the stairs. 2. Peel off the film on the back. 3. Place on the stairs and to complete the installation. You can also easily cut it with scissors to match your corners or special step size. These stair treads are the perfect combination of and function. Our stair treads measure 8" X 30", suitable for most indoor stairs. In addition, our collection includes neutral colors in grey, dark grey, black, beige and brown, which easily match your home decor and your styles. Color: Gray Material: Polyester Fiber (Polyester) Package Contents: 15*pcs Stair Treads for Wooden Steps Indoor Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.