I'm will all of you that use the corrugated plastic borad from elections compaign signs. But not forget that is the some plastic that is use for beer, cig ad. signs that are in the grocers, convenience stores and they mover them out on a regular bases most of them will just throw them out and you ask at your morning coffee stop on your way to work they will gave them to you. a win, win .it is free for you and dose not go to the land fill.