Ideal for: T-shirts, Sneakers, Backpacks Caps, and Visors. Fine point. Brilliant colors. Kidsafe caps. Place a piece of paper under your material. Color the design with the pen. To fix the final design, iron on a low-heat wool setting for 1 minute. The design will withstand washing up to 40*. The use of the iron must be carried out by an adult. Maxi tip 5mm. Vibrant & highly pigmented.