Easy method to create tie dyed effect. Color transfers from cords to fabric. Simply tie up the fabric with the cords and boil in water, to create a fascinating original design, (depending on the folding and tying.) Can be used on all cotton and rayon fabrics. Each package contains instructions and thirty 3' cords. You can do a t-shirt with 6 to 9 cords(3-5 shirts per package.)