When you use the 7Penn Adjustable Floor Standing Sign Holder you can quickly switch out your restaurant's menu sign for a 'please wait to be seated' sign, an advertisement for your show to a sales sign for your business, or this season's art design to your newest piece of artwork. Each side of the poster holder frame snaps open so you can remove the clear lens and replace your pedestal signs Clear lens on the outdoor sign holder ensures a clear version for people to see the content clearly rain or shine. Adjust your height from 25.5 inches tall to 42 inches tall to stand on a table or by itself. 13 by 9.5-inch frame rotates 360 degrees to adequately set your poster in vertical or horizontal presentations. Warning: This product can expose you to chemicals which is [are] known to the State of California to cause cancer and birth defects or other reproductive harm.