Cricut SportFlex Iron-On 30x60 cm (Red); Thin and lightweight to stretch and flex on active wear; Made for tech fabrics like polyester and nylon; Features the Cricut StrongBond Guarantee* for long-lasting results that stick; Easy to weed and apply; use your household iron or Cricut EasyPress Made especially for activewear, SportFlex Iron-On features the StrongBond 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.