Versatile Chalkboard Sign: Perfect as a sidewalk sign to attract foot traffic, a sandwich board to showcase daily specials, or an eye-catching menu. Magnetic Chalkboard Surface: Easily customize your message with chalk or chalk markers. The magnetic surface allows you to add photos, coupons, or other promotional materials for extra impact.. Durable & Weather-Resistant Design: This chalk board sign board is built to withstand outdoor use, making it ideal for sidewalk advertising, farmers markets, or weddings.. Versatile Chalkboard Sign: Perfect as a sidewalk sign to attract foot traffic, a sandwich board to showcase daily specials, or an eye-catching menu. Magnetic Chalkboard Surface: Easily customize your message with chalk or chalk markers. The magnetic surface allows you to add photos, coupons, or other promotional materials for extra impact..