Made of iron and rubber, suitable for all kinds of doors, such as wood door, metal door, glass door, the rubber bumper of the door stop can effectively reduce the noise and keep the wall behind against damages, give you a quiet and comfortable living and working environment. Features - ColorAssorted Color - Material: Iron + rubber. - Size: 8.50X2.00X2.00cm/3.34X0.79X0.79in - & sturdy: made of premium iron spring and rubber bumper, rust proof and flexible for long time use. - Lower noise: the flexible rubber bumper tips can absorb the slamming noise when opening the door. - Wide applications: our door stops can be installed in bedroom, bathroom, living room, business office, school. - Protects the wall: when the door is opened, it cushions the impact and protects the wall from being damaged by door knob. - Easily install: with the screws inside, you can install the door stoppers on walls or baseboards quickly. Package list: 10 x Spring Door Stoppers with Screws