A4 Landscape Clipboards, A4 Portrait Clipboards & A4 Clipboard Folders produced in our East Anglian premises.
Extra Large 11x17 Clipboard, Horizontal Wooden Lap Board, Wood Clipboard with Low Profile Clip for Drawing, Sketching, and Art Supplies, Landscape Layout, 3mm Thickness : Amazon.ca: Office Products
Extra Large Wooden Clipboard for Drawing, 11x17.3 Inch Horizontal Wood Lap Board with Clip, 3mm Thick - Walmart.com
Juvale | Designed for Modern Living
2 Pack Ledger Size Wood Clipboards with Low Profile Clip, Horizontal a – Paper Junkie