Here is some more information about the iron-on pattern: • Diameter of the ironing board: approx. 6.5 cm × 5 cm • Washable at 30° • Turn shirt inwards Here's how it works: 1. Align the shirt and pre-iron it until smooth. 2. Align the patch on the shirt as desired. 3. Place baking paper between the patch and the iron. 4. Apply pressure with the iron. Press evenly for about 20-30 seconds. Don't move the iron or the patch could slip 4. Remove the baking paper and check that the patch is tight. If necessary, you can still sew the edge tight. ATTENTION: Tilda&Theo and Julia Eckerlein are not responsible for textiles that are damaged by applying the patch incorrectly.