This sidewalk sign has a metal A frame and a two-sided metal sign plate. You can tape a poster to the metal plate or scrape off the Earth Rider logo and message and have a sign company create new vinyl. Nice and heavy so will not to move on windy days but still easy enough to move outside and inside at the end of the day. Size was approved by the City of Chicago for a sign permit. Folds for storage for transportation. Sign extended is 39 in w x 28 in l x 39 in h.