Material: Automatic door closer made of high quality zinc alloy and stainless steel, Using one-piece process, corrosion resistant and durable. Adjustable design: door closer can be both left and right, reduce door closing force, prevent door damage, so convenient and practical, also prevents that you forget to close the door Wide range of applications: door closer it is for fire door, hotel, condominium, residential complex, office, interior doors, room door Package contents: 2 pieces auto closer for door with white Color, and the door closer measures approx. 12.6 x 3.2 x 13.8 cm, suitable size is to meet your daily needs Unique design: Door closer features a double spring construction and a roller design to protect the door from damage and reduce the noise.