3 Inch Diameter 100% Polyester Material High Quality Dye-Sublimation Graphics Designed and Manufactured by Creative Clam All images and designs Copyright Creative Clam This Sew-on Patch is printed on lightweight polyester fabric using Dye-Sublimation technology, so the graphic won't crack or fade like heat transfers. The graphics look and feel like part of the fabric, not pressed on top. The patch is machine washable and won't shrink or unravel like embroidered patches.