Noiseless anti-collision door stopper: The silicone door stopper can both absorb the door and prevent collisions. Buffering anti-collision design, which has the effect of damping the mute effect, avoids damage to the wall caused by the impact of the heavy-duty door knob. Multi-Surface Available Door Stopper: It features strong suction on different material surfaces, whether it is ceramic tile, glass, metal or panel. Applies to all kinds of wooden doors, titanium alloy doors, glass doors, bathroom doors, refrigerators, cabinet doors, etc. Environmentally Friendly Silicone Material: Our door stoppers are made of safe environmental protection material and odorless silicone, soft and flexible, no peculiar smell and no harm to human body. Easy to use: The silicone door stopper is easy to install, the suction cup design does not require drilling a hole or screws to attach it to the wall / door handle. Colorful and multi-functional: These suction cup design door stoppers have 5 different colors that can be used for different room and living space layouts to complement the frame. Besides, they can also be used as a cell phone holder, wall hook, etc.