WARM NOTE:Please REMOVE BACKING FILM COVER before installing 2：NO STICKY FEELING when touching the bottom, but can adhere firmly to the stairs. NICE SOLUTION FOR ANTI-SLIPindoor carpet stair treads use non-slip material on the backing, so they can stay in place firmly even under high traffic, and provide great grip and traction to guard little babies, elders, and cute dogs from slipping on floors. INSTALL IN 5 MINUTES & NO DAMAGE TO FLOORS-- Bottom of stair treads use the new self adhesive technology, you just need to peel backing film and stick treads on floors, NEEDN'T USE EXTRA DOUBLE-SIDED TAPE, GLUE OR CARPET NAILS. And you can remove it WITHOUT ANY RESIDUE and NO DAMAGE to steps, you can still install them again in the house PREMIUM QUALITY--carpet treads are made of durable wool blends, prevent slipping also reduce noise when up or down the wooden steps. Quality material makes you feel soft on bare feet, offers a new look, and provides protection for your stair steps. EASY TO CLEAN Wool blend treads are stain-resistant and can be machine washable and the VACUUM cleaner is most recommended to use when clean the stair mats. Dog hair, dust, or food residue all can be cleaned easily. EASILY CUT AS YOUR NEEDS-- The size of anti slip stair treads are 8"x30", suitable for most wooden steps. And stair runners can be cut to any size and shape easily as your demand.