• High-quality material: the door chain is made of 304 stainless steel, strong and durable. • Smooth surface without burrs, prevents daily scratches, resists corrosion and rust. • Practical design: thickened and reinforced, does not break with strong pulls. • Easy-to-use chain lock: open by sliding the chain buckle. • Simple installation: equipped with matching screws, do not protrude after installation. • Wide use: can be used on hotel doors, apartments, family, interiors. • Package contents: includes 2 security chains and 10 matching screws.