Jumbl A Frame Sandwich Board – 22 x 28” Display Sidewalk Sign with PVC Sign Protector (Black)Sign up! Present your message to the world with the Jumbl Waterproof A Frame Sidewalk Sign. Whether it is an advertisement, warning, or just a simple greeting, this A frame sign is great for getting your message across, rain or shine. Simply set up the sign, menu board, or instructions and place your poster on the A frame sign holder. With the sandwich board sign double sided design, you can have the same or two different posters on each side. The A