These a frame chalkboards are excellent for bars, markets, side-street businesses, and retail stores. The chalkboards are made with steel reinforced corners, weather resistant hardware and full width aluminum hinges to adjust to any environment. These a frame chalkboards are available in full or narrow widths for tight spots and slender sidewalks. The boards are 42"H x 24"W for easy maneuverability. These a frame chalkboards are ideal for advertising for businesses or events.