It's the image of a stylized gate, with two gate doors hinged at the exterior to two poles. The two poles have a decorative ball at the top, and the gates arch up in the middle. Each gate door has a knob near the center of the image.
Related to Frontowa Brama Zamknięta Icon
Related icons are the icons with matching tags, as well as all dom icons. All icons are in the same flat style. You can either download free PNG icons or buy SVG vectors