Stainless Steel Material: This self-adhesive door stopper is made of high-quality brushed stainless steel, making it sturdy, durable, rust-resistant, and long-lasting. Exquisite details and a polished electroplating process give it a beautiful, smooth, and shiny appearance. Practical Functionality: This stainless steel door stopper features thickened plastic rubber for excellent elasticity, effectively reducing closing noise and acting as a buffer to prevent damage to doors, handles, and walls, thereby extending its lifespan. Easy Installation: This floor-standing door stopper comes with strong self-adhesive backing, allowing for easy installation without screws or drilling. Simply peel off the protective film on the door stopper and attach it to the desired location. Removal is also easy and leaves no residue or marks. Versatile Applications: This floor-standing door stopper is suitable for most smooth surfaces and can be used in any apartment, school, or office, as well as heavy doors, glass doors, balcony doors, window frames, etc. Packaging and Size: The package includes one 2.8 x 4.6 cm floor-standing door stopper. The semi-circular design cleverly prevents the door from hitting the wall when opened and ensures the door is securely in place after opening.