SIGNET Sign System Bulletin Board with SLIM informational signage frames is fully customizable and ideal for standard paper size, for example A4 and A3. You decide how many frames and the dimension of the frames. Change information in only 2 steps: 1. Use a suction cup to pull out the clear plastic cover. 2. Replace the paper insert and put the plastic cover back in place. SIGNET Bulletin Boards allow for several uses including business hours, meetings, contact, laundromat or other information and is great for displaying entryway information!