The Pebeo 7A Opaque Fabric Markers are replacement markers for Pebeo's discontinued Setaskrib Opaque Markers. They come with a 4 mm round tip ideal for working with darker fabrics but also works great with light fabrics. It has opaque, very matte ink. This line is available in 18 opaque colors, including 4 metallic and 6 pastel. SURFACES: Can be used on most previously washed, thin or thick, dark or light fabrics. FIXING: Iron for 5 minutes, using the cotton without steam setting, on the back of the fabric. DRYING: Air-dry for 2 hours. CARING (decorated surfaces): 48 hours after application, the colours will hold when hand washed and/or machine washed at 40° C. STORAGE: store flat. Protect from frost and heat. WARNING: Air travel can cause an excess of ink on the tip and cap. Carefully open the cap and, if necessary, clean the tip and cap before use