jacquard idye poly polyester dye 1 oz jar (black) humboldt haberdashery one ounce of jacquard idye poly polyester dye in a easy to use resealable jar. designed for small batch dyeing, it makes it easy to use in the amount you need for projects less than 2 pounds of fabric. recommended to be used with idye color intensifier, sold separately in one ounce bottles. also available in original .5 oz dissolvable packaging.