Fix your bleach stains! Americolor carpet dye pens are easy to use. Just heat and apply. No mixing. No mess. Each dye pen will do more than 100 spots. Use a specific color or a one-step blend. Erase mistakes with dye remover pen. Use other pens to neutralize bleach, remove rust stains, Kool-Aid, shoe polish, food stains, and many more spots. Permanent acid dyes will not wash out or rub off. Make for dyeing nylon, wool, and silk fibers/blends.