Close Sidebar Categories Brush-On Fabric Paint Fabric Dye Fabric Markers Fabric Paint Fabric Spray Paint Fashion Embellishments and Iron-on Transfers and Appliqués Puff Paint Shipping and Returns Tie Dye Tulip Body Art What is a shirt board? A shirt board is a coated piece of cardboard. It usually is in the shape of a shirt and is intended to slip between the front and back of the shirt to prevent paint from seeping through the fabric. Prev Post Next Post