Displays2go Coroplast Sign Boards, 24" x 36", Corrugated Plastic Poster, Set of 2 (CRP2436WHT) Coroplast surface allows you to tack, tape, or print custom signs Sized for standard 24" x 36" sign blank holders 3/16" thickness fits into most a-frames Sold in sets of 2 Displays2go SKU#: CRP2436WHT