The stainless steel bulletin board is made of 304 stainless steel with a nickel content of ≥8%, with a thickness of 1.0-1.2mm. It is resistant to rain corrosion and will not rust after 5 years of outdoor use. The surface is brushed and scratch-resistant, leaving no traces when posting posters.

The box is a double-door type with built-in 2-3 layers of poster racks, which can display notices, event previews, etc. at the same time; a awning is added on the top to prevent rainwater from penetrating and damaging the posters; the height is 2.0-2.5m and the width is 1.2-1.8m adjustable, suitable for community entrances and squares.