This Elmer s Painters Opaque Paint marker makes decorating fun and easy. It is filled with real acrylic paint and will work on practically any surface including wood paper photos plastic and metal. It can even be heat-set on fabrics! The acid-free paint is permanent streak-free and non-toxic. Markers are available in a range of colors and tip sizes giving you a variety of designs options (each sold separately). This package contains one Silver marker with a Fine (1.1mm) tip. Conforms to ASTM D-4236.