Description:Suction tip is designed with thick spring inside, which has strong elasticity. The magnet has long-term magnet suction, so the stopper is not easy to shake when the wind blows. With arcs instead of edges and corners, the round shape door stopper is not easy to knock.Punch-free installation, the doorstop is easy to install, and it can solve your difficult problem of hole-punching installation. The neodymium iron boron magnet is not easy to shake when the wind blows, effectively avoiding the collision of the door.The doorstop is made of high quality 304 stainless steel material, which is anti-rust and durable.Length of the door stopper is 10cm, width is 4.8cm, height is 4.8cm.This door stopper is suitable for bedroom, bathroom, home, house, office, hotel, etc.Item Name: Punch-free Door StopperMaterial: 304 Stainless SteelInstallation Method: Punch-free/PunchingFeatures: Magnetic, Anti-rust, DurableSize Details: Product Length: 10cm/3.94" (Approx.)Base Diameter: 4.8cm/1.89" (Approx.)Tip Diameter: 3.2cm/1.26" (Approx.)Tip Height: 2.4cm/0.94" (Approx.)Size: 10cm x 4.8cm x 4.8cm/3.94" x 1.89" x 1.89" (Approx.)Notes:Due to the light and screen setting difference, the item's color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:1 x Door Stopper1 x Iron Expansion Screw3 x Plastic Expansion Tubes5 x Screws2 x Double-sided Tapes