Tape Free: No tape, adhesive, glue. The backing has self-adhesive. Brakki bullnose carpet stair treads can be firmly stuck to the stair floor like a sticker, and its back has a non-slip function to prevent the stair mats from moving when walking Edging Stair Protectors: Its advantage is that it can protect the edges of the stairs, which is a function that many products don't have. The edge of the staircase is the most prone to wear, and installing this stair mat can save you from trouble Easy to Clean: High-quality fiber material that is very easy to clean. You can use a vacuum cleaner to remove debris from the surface of the stair carpet or take the stair treads off and wash them, hand wash in cold water with a mild detergent Easy to Install: First, please clean the stairs and make sure the floor is dry. Second, remove the transparent film on the back.