Material:Door Stopper is made of zinc alloy and rubber,strong,durable and rustproof and can be used for a long time Shockproof and Silent:Rubber end cap gives silent effect and resists to shocks to protect the door, window, lock, wall or glass etc, without noise to sleep well 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 Multifunctional: The movable door file helps keep the door open and maintains air while helping to reduce the noise generated by swinging door Packing and Size:2 Pieces Door Stoppers and 6 Pieces Screws.Door Stopper dimensions 13 x 4 x 2.2cm;Screw dimensions 2.4 x 0.8cm .the metal door stopper can be used for home,bedroom,bathroom,office,etc Product Description Material: alloy zinc and rubber Colour:silver Cap holder size:13 x 4 x 2.2 cm Screw size:2.4 x 0, 8cm Package Included:2 x Door Stoppers,6 x Screws Warm Tips: 1)Due to the setting difference of due to