Colourful Rainbow Sun Iron on Patch Embroidered Sew on Applique Etsy Iron on Rainbow Patches Etsy Iron On Patch RAINBOW SONS Amazon.com: PatchMommy Rainbow Patch, Iron On Sew On Appliques for Iron on Rainbow Patches Etsy. [Product description] Iron on patch. Can be used practically on clothing or as a cute accent on small items. Not suitable for waterproof or water repellent materials, damp items, or heat sensitive fabrics. For stretchable or brushed fabrics, or if adhesion is insufficient, please sew or use fabric glue. Use a firm ironing board and a pressing cloth. Place the patch in the correct position, cover with a pressing cloth, and avoid direct contact between the iron and the patch. Set the iron to 140160C (for cotton) and press firmly on the patch through the cloth for about 1520 seconds. Do not move it until completely cooled. [Size Quantity] Approx. 3. 0cm (W) 2. 0cm (H)