Material: Door Stops is made of zinc alloy and rubber, strong, durable and rust-resistant and can be used for a long time Shockproof and Silent: Rubber tip gives a silent effect and resists shock to protect the door, window, lock, wall or glass etc, without noise for a good sleep Easy to Install: Simply install the triangle at the best height behind the door, then drill the three pilot holes in the door, tighten the screws to use it Multifunctional: The movable door file helps keep the door open and maintain airflow while reducing the noise generated by the door swinging Package and Size: 2 Pieces Door Stops and 6 Pieces Screws. Door stopper dimensions of 13 * 4 * 2.2 cm; Screws dimensions of 2.4 * 0.8 cm. The metal door stop can be used for house, bedroom, bathroom, office, etc.