Features:brand new and high qualityIt is suitable for various occasions to meet the needs of home and office.Prevent the door from touching the wall, protect the wall from being scratched, or keep the door open to allow indoor air to circulation.Two installation methods can be selected, no punching or screw installation, with installation screws.(Nail-free glue needs to be purchased by yourself)Use environmentally-friendly anti-vibration and sound-absorbing rubber to buffer the impact when opening the door, effectively reduce the collision sound, and not disturb the sleep of family members.Use high-quality copper or aluminum materials, wear-resistant, durable, and corrosion-resistant Specifications:Material: Pure Copper/Aluminum AlloySize: As the Picture ShowsCompressible Distance: About 20mm/0.79inchColor:Aluminum white (aluminum alloy)/black (aluminum alloy)/brushed gold (copper)/black (copper) Note:1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes:1x Door Stopper(with installation screws)