Using High Quality Eco-Friendly Rubber: This door stopper is made of high quality TPR material, it will not damage the ground and leave no marks. Strong grip, does not hurt the door. Use it safely and securely. If the rubber door stopper is dirty, it can be washed and dried before use, and the effect will be better. Fits Door Seams of Various Heights: Fits most door seams and withstands daily use without cracking. These door stops measure L 4.83" x W 1.6" x H 1". They fit under most doors, 0.2" to 0.8" from the floor. If the door clearance is higher than 0.8", you can combine the two door stops in Together, it is suitable for use and has a stronger grip. These stoppers rely on an angled design to keep the door from closing on its own. APPLICABLE TO DIFFERENT EARTHS: This doorstop can be firmly applied to a variety of different surfaces such as wood, cement, vinyl, tile or carpet. The rougher the ground, the more grip the doorstop will have. EASY TO USE: Our door wedges just need to be placed on the bottom of the door. No drilling or tape required. Does not leave sticky residue or unsightly marks. These rubber door wedges allow you to move freely between rooms in your home, school or office without having to open and close the door every time. Enough for multiple bedrooms, classroom or office doors, etc. in a home or office. With Storage Bracket: Each doorstop comes with a free bracket to hang the product on any door (or wall) and keep them safe and organized in case the rubber doorstop gets lost.