Iron on patches are a fun and simple way to decorate your clothes by sewing or ironing onto your t-shirts, jackets, bags, hats, scrapbook and much more. Heat-seal backing allows buyer to iron this patch onto virtually any fabric. Iron-On Instructions 1.Spray water on back of patch 1.Sprce patch on garment Set iron temperature on "cotton" 1.Sprer patch with a piece of damp cloth Iron for 10-15 seconds 1.Sprn garment inside out and iron until dry. We hope that they can make people happy. Make your life Funny, Make the world wonderful.