ELMER'S-Painter's Opaque Paint Markers. These markers are filled with real acrylic paint making decorating easy and fun! Permanent and streak-free, they work on practically any surface including wood, pottery, ceramic, glass, metal, paper, plastic, fabrics, and more. Each pen has a Medium (0.081 inch, 2.05mm) tip. This package contains five paint markers. Available in several color sets: each sold separately. Conforms to ASTM D-4236. Non-toxic. Imported.