Wooden Clipboards made in Iowa, offered by the Vermont Bowl Company
Amazon.com : Extra Large 11x17 Clipboard with Low-Profile Clip, Wooden Vertical Clip Board : Office Products
4-Pack Extra Large 11x17 Clipboard, Horizontal Wooden Lap Boards, Wood Clip Board with Low Profile Clip for Drawing, Sketching, and Art Supplies, Landscape Layout, 3mm Thickness - Walmart.com
Amazon.com : Office Solutions Direct Clipboards with Low Profile Clip (Set of 30) - Wood Clipboards Bulk 30 Pack, Heavy Duty Clipboard, Bulk Classic Clipboards for Classroom, Calendar Office Clipboard Stand up : Office Products
Teacher Mini Clipboard – TOI Gifts & More
Juvale 4 Pack Extra Large 11x17 Clipboards, Wooden Art Board With Low-profile Clip And Hook For Classroom And Office : Target