https://www.officedepot.com/a/products/901635/Pacon-Neon-Poster-Board-22-x/
Pacon Neon Poster Board 22 x 28 Assorted Colors Pack Of 25 - Office Depot
Brilliant fluorescent colors make your artwork or sign stand out
poster board 22 x 28
https://www.staples.com/staples-poster-board-22-x-28-white-10-pack-28126/product_247403
Staples Poster Board, 22" x 28" White, 10/Pack (28126) | Staples
White Poster Boards, 10-Pack, 22' x 28' are ideal for charts, graphs, and other illustrations you'll use in meetings or training sessions.
poster board 22 x 2810 packstapleswhite