USE: The back contains hot melt adhesive, set the iron to high power mode, and iron for 30s. You can also use sutures to permanently secure the patch where you want it. COLLOCATION: Clothes, jeans, hats, bags, shoes, tents, curtains, quilt covers, room decor, scrapbooks and other DIY items.CLEANING: Washing machine can be used, will not fall off. Surface dust can also be wiped off with a damp rag.