Testy yet trying: DIY Tabletop Easels from a Cardboard Box
7 inch Self-Sticking Single Wing - Cardboard Easel
Cardboard Easels | paintsipsocialize
50 Pack Self Stick 9 Inch Cardboard Easel Backs, Picture Frame and Art Stand for Painting, Photos, Artwork, Crafts (White) - Walmart.com
Part # 107400B, Self-Sticking Cardboard Easel, 5" H., Single-Wing, Black On Kinter (K International, Inc.)
Amazon.com: CoroRio 5 Inch Self Stick Cardboard Easel Backs, Premium Cardboard Easel Stand for Picture Frame and Art Easel Stand, Use for Photos, Signs, Crafts, (Pack of 60, White) : Office Products
8 1/2" x 11" Cardboard Display Easels: Includes Clear Display Cover