Our blank patches come in 6 colors. These are perfect for sublimation or DTF prints! Create your own patches with a pop of color! Circle: 3" overall - make your transfers no larger than 2.5" Square: 3" x 3" overall - make your transfers no larger than 2.5" x 2.5" Rectangle: 3.25" x 2.5" overall - make your transfers no larger than 2.75 x 2" All patches have iron-on backing. Recommended sublimation settings: 385° F for 60 seconds Note: there is a protective paper you need to remove from the back of the patch before pressing it onto a hat, etc. This protects the iron-on backing while you are decorating the patch.