Sulky Iron-On Transfer Pens assorted pack can turn any design into a heat transfer design. Use these special pens to trace your design onto regular typing paper. Place the design ink side down on your fabric and press with an iron for about 30 seconds. Transfer complete! Several transfers can be made from one tracing. Pens transfer designs onto fabric, canvas, wood, stabilizers or any surface where a hot iron can be used. Comes in a re-closable screw top clear tube that provides a nice storage container. 8 pens per package. Package contains one of each black, blue, brown, red, green, orange, yellow and purple. Pre-test on sample fabric before using.