Made especially for activewear, the SportFlex Iron-On features the StrongBond guarantee for long-lasting iron-on results that stick. Run, swing, kick, dance, do that cobra pose, and more - this flexible, stretchable iron-on material bends with the body and keeps uniforms and team gear lightweight. Customize team jerseys, or embellish uniforms, caps, yoga tops, leggings, and more. SportFlex Iron-On is highly recommended for tech fabrics like polyester and nylon. Use with all Cricut cutting machines.