Attributes: Size: 76 x 20 cm / 30 x 8 in ; Thickness: 5 mm / 0.2 in Easy to Clean: Can be washed with water, vacuumed or cleaned with a roller snd washing machine; after cleaning, the stair mats are still as sticky as before Material: Made of polyester fabric, strong and sturdy, non-slip, self-adhesive without glue, will not damage the floor and will not leave marks on the floor Ultra Thin: An ultra thin pile thickness of 0.1 inches offers functionality that is better for your stairs; It provides a low profile so that it doesn't give your stairs a bulky feel while also reduces tripping Stair Surface Protection: these stair mats shield your steps from scratches and daily wear. Preserve your carpet’s beauty while adding an extra safety layer.