Brand New and High Quality. Made of TPR material, this door stopper has good slip resistance, high elasticity, and wear resistance. Non-toxic and safe, it can be used on various floor surfaces, including tile, concrete, and wood. The unique hollow design provides strong gripping power, preventing door movement and protecting your door and wall from damage. It is easy to use and does not require drilling or pasting, making it a convenient and practical solution for homes and offices.