Pebeo 4Artist Opaque Oil Paint Marker Duo Set BlackPebeo 4Artist Oil Based Paint Markers are vivid, opaque oil-based markers that dry quickly (5-15 minutes depending) and feature brightly colored caps so you can spot the one you\'re looking for quickly. highly pigmented with genuine artists pigments, permanent and lightfast. Colors can also be layered. Works well on canvas, paper, cardboard, wood, metal, plastic, glass, ceramic, porcelain and plaster. 4 mm round tip is best for design, finishing touches and writing. Set includes: Red, Dark Blue, Yellow, White, Black