Lightweights for Clothing simply stick to fabric, leather, rubber. and most everything else right out of the package. Great for triathletes to trick or treaters for the required reflectivity. They are extremely elastic, lightweight and tissue-thin to flow and stretch effortlessly with even your stretchiest clothing. Easy to follow instructions show you how to obtain iron-on permanence that holds up to hundreds of machine washings on most fabrics. Apply to bags, gloves, boots and backpacks, pet collars, raingear and umbrellas!