In Cotton. INSTRUCTIONS: Place the embroidered motif in the correct position on your garment. Cover with a cloth and apply pressure with a hot iron for 20-30 seconds. Iron once more on the reverse side, and allow to cool. Add a few stitches around the edge for extra strength, if required. CAUTION : Do not iron this patch onto delicate fabrics, but attach by sewing around the edgeh 4cm WE HAVE NO LETTER 'Q'